From ffc74e5e6e1d894ffd9e8b03c4a09a83265816c4 Mon Sep 17 00:00:00 2001 From: Sibelius Seraphini Date: Sun, 31 Dec 2017 13:49:39 -0200 Subject: [PATCH] Add Camera implementation using CameraView on Android This is most a copy of expo camera module this still half baked, missing javascript part and package and modules fixes see #246 --- android/build.gradle | 23 +- android/gradle/wrapper/gradle-wrapper.jar | Bin 0 -> 53636 bytes .../gradle/wrapper/gradle-wrapper.properties | 6 + android/gradlew | 160 +++++++++ android/gradlew.bat | 90 +++++ .../java/org/reactnative/MutableImage.java | 272 +++++++++++++++ .../org/reactnative/camera/CameraModule.java | 211 ++++++++++++ .../reactnative/camera/CameraViewManager.java | 196 +++++++++++ .../org/reactnative/camera/Constants.java | 42 +++ .../reactnative/camera/ExpoCameraView.java | 316 ++++++++++++++++++ .../camera/ExpoCameraViewHelper.java | 170 ++++++++++ .../camera/events/BarCodeReadEvent.java | 68 ++++ .../camera/events/CameraMountErrorEvent.java | 44 +++ .../camera/events/CameraReadyEvent.java | 44 +++ .../events/FaceDetectionErrorEvent.java | 53 +++ .../camera/events/FacesDetectedEvent.java | 103 ++++++ .../camera/tasks/BarCodeScannerAsyncTask.java | 74 ++++ .../BarCodeScannerAsyncTaskDelegate.java | 8 + .../camera/tasks/FaceDetectorAsyncTask.java | 55 +++ .../tasks/FaceDetectorAsyncTaskDelegate.java | 12 + .../tasks/ResolveTakenPictureAsyncTask.java | 75 +++++ .../camera/utils/ImageDimensions.java | 64 ++++ .../facedetector/ExpoFaceDetector.java | 113 +++++++ .../reactnative/facedetector/ExpoFrame.java | 28 ++ .../facedetector/ExpoFrameFactory.java | 43 +++ .../facedetector/FaceDetectorModule.java | 76 +++++ .../facedetector/FaceDetectorUtils.java | 120 +++++++ .../tasks/FileFaceDetectionAsyncTask.java | 153 +++++++++ src/Camera.js | 280 ++++++++++++++++ src/index.js | 281 +--------------- 30 files changed, 2895 insertions(+), 285 deletions(-) create mode 100644 android/gradle/wrapper/gradle-wrapper.jar create mode 100644 android/gradle/wrapper/gradle-wrapper.properties create mode 100755 android/gradlew create mode 100644 android/gradlew.bat create mode 100644 android/src/main/java/org/reactnative/MutableImage.java create mode 100644 android/src/main/java/org/reactnative/camera/CameraModule.java create mode 100644 android/src/main/java/org/reactnative/camera/CameraViewManager.java create mode 100644 android/src/main/java/org/reactnative/camera/Constants.java create mode 100644 android/src/main/java/org/reactnative/camera/ExpoCameraView.java create mode 100644 android/src/main/java/org/reactnative/camera/ExpoCameraViewHelper.java create mode 100644 android/src/main/java/org/reactnative/camera/events/BarCodeReadEvent.java create mode 100644 android/src/main/java/org/reactnative/camera/events/CameraMountErrorEvent.java create mode 100644 android/src/main/java/org/reactnative/camera/events/CameraReadyEvent.java create mode 100644 android/src/main/java/org/reactnative/camera/events/FaceDetectionErrorEvent.java create mode 100644 android/src/main/java/org/reactnative/camera/events/FacesDetectedEvent.java create mode 100644 android/src/main/java/org/reactnative/camera/tasks/BarCodeScannerAsyncTask.java create mode 100644 android/src/main/java/org/reactnative/camera/tasks/BarCodeScannerAsyncTaskDelegate.java create mode 100644 android/src/main/java/org/reactnative/camera/tasks/FaceDetectorAsyncTask.java create mode 100644 android/src/main/java/org/reactnative/camera/tasks/FaceDetectorAsyncTaskDelegate.java create mode 100644 android/src/main/java/org/reactnative/camera/tasks/ResolveTakenPictureAsyncTask.java create mode 100644 android/src/main/java/org/reactnative/camera/utils/ImageDimensions.java create mode 100644 android/src/main/java/org/reactnative/facedetector/ExpoFaceDetector.java create mode 100644 android/src/main/java/org/reactnative/facedetector/ExpoFrame.java create mode 100644 android/src/main/java/org/reactnative/facedetector/ExpoFrameFactory.java create mode 100644 android/src/main/java/org/reactnative/facedetector/FaceDetectorModule.java create mode 100644 android/src/main/java/org/reactnative/facedetector/FaceDetectorUtils.java create mode 100644 android/src/main/java/org/reactnative/facedetector/tasks/FileFaceDetectionAsyncTask.java create mode 100644 src/Camera.js diff --git a/android/build.gradle b/android/build.gradle index 333d69c..28e43a9 100755 --- a/android/build.gradle +++ b/android/build.gradle @@ -1,24 +1,27 @@ buildscript { repositories { jcenter() + maven { + url 'https://maven.google.com' + } } dependencies { - classpath 'com.android.tools.build:gradle:1.2.3' + classpath 'com.android.tools.build:gradle:3.0.0' } } apply plugin: 'com.android.library' android { - compileSdkVersion 25 - buildToolsVersion "25.0.2" + compileSdkVersion 26 + buildToolsVersion "26.0.2" defaultConfig { minSdkVersion 16 - targetSdkVersion 22 + targetSdkVersion 26 versionCode 1 - versionName "1.0" + versionName "1.0.0" } lintOptions { abortOnError false @@ -28,10 +31,18 @@ android { repositories { mavenCentral() + maven { + url 'https://maven.google.com' + } + maven { url "https://jitpack.io" } } dependencies { - compile "com.facebook.react:react-native:0.19.+" + compile 'com.facebook.react:react-native:+' compile "com.google.zxing:core:3.2.1" compile "com.drewnoakes:metadata-extractor:2.9.1" + compile 'com.google.android.gms:play-services-vision:+' + compile "com.android.support:exifinterface:26.0.2" + + compile 'com.github.react-native-community:cameraview:df60b07573' } diff --git a/android/gradle/wrapper/gradle-wrapper.jar b/android/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000000000000000000000000000000000000..13372aef5e24af05341d49695ee84e5f9b594659 GIT binary patch literal 53636 zcmafaW0a=B^559DjdyHo$F^PVt zzd|cWgMz^T0YO0lQ8%TE1O06v|NZl~LH{LLQ58WtNjWhFP#}eWVO&eiP!jmdp!%24 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100755 index 0000000..9d82f78 --- /dev/null +++ b/android/gradlew @@ -0,0 +1,160 @@ +#!/usr/bin/env bash + +############################################################################## +## +## Gradle start up script for UN*X +## +############################################################################## + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS="" + +APP_NAME="Gradle" +APP_BASE_NAME=`basename "$0"` + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD="maximum" + +warn ( ) { + echo "$*" +} + +die ( ) { + echo + echo "$*" + echo + exit 1 +} + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +case "`uname`" in + CYGWIN* ) + cygwin=true + ;; + Darwin* ) + darwin=true + ;; + MINGW* ) + msys=true + ;; +esac + +# Attempt to set APP_HOME +# Resolve links: $0 may be a link +PRG="$0" +# Need this for relative symlinks. +while [ -h "$PRG" ] ; do + ls=`ls -ld "$PRG"` + link=`expr "$ls" : '.*-> \(.*\)$'` + if expr "$link" : '/.*' > /dev/null; then + PRG="$link" + else + PRG=`dirname "$PRG"`"/$link" + fi +done +SAVED="`pwd`" +cd "`dirname \"$PRG\"`/" >/dev/null +APP_HOME="`pwd -P`" +cd "$SAVED" >/dev/null + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD="$JAVA_HOME/jre/sh/java" + else + JAVACMD="$JAVA_HOME/bin/java" + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD="java" + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then + MAX_FD_LIMIT=`ulimit -H -n` + if [ $? -eq 0 ] ; then + if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then + MAX_FD="$MAX_FD_LIMIT" + fi + ulimit -n $MAX_FD + if [ $? -ne 0 ] ; then + warn "Could not set maximum file descriptor limit: $MAX_FD" + fi + else + warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" + fi +fi + +# For Darwin, add options to specify how the application appears in the dock +if $darwin; then + GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" +fi + +# For Cygwin, switch paths to Windows format before running java +if $cygwin ; then + APP_HOME=`cygpath --path --mixed "$APP_HOME"` + CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` + JAVACMD=`cygpath --unix "$JAVACMD"` + + # We build the pattern for arguments to be converted via cygpath + ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` + SEP="" + for dir in $ROOTDIRSRAW ; do + ROOTDIRS="$ROOTDIRS$SEP$dir" + SEP="|" + done + OURCYGPATTERN="(^($ROOTDIRS))" + # Add a user-defined pattern to the cygpath arguments + if [ "$GRADLE_CYGPATTERN" != "" ] ; then + OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" + fi + # Now convert the arguments - kludge to limit ourselves to /bin/sh + i=0 + for arg in "$@" ; do + CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` + CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option + + if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition + eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` + else + eval `echo args$i`="\"$arg\"" + fi + i=$((i+1)) + done + case $i in + (0) set -- ;; + (1) set -- "$args0" ;; + (2) set -- "$args0" "$args1" ;; + (3) set -- "$args0" "$args1" "$args2" ;; + (4) set -- "$args0" "$args1" "$args2" "$args3" ;; + (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; + (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; + (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; + (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; + (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; + esac +fi + +# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules +function splitJvmOpts() { + JVM_OPTS=("$@") +} +eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS +JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" + +exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" diff --git a/android/gradlew.bat b/android/gradlew.bat new file mode 100644 index 0000000..aec9973 --- /dev/null +++ b/android/gradlew.bat @@ -0,0 +1,90 @@ +@if "%DEBUG%" == "" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS= + +set DIRNAME=%~dp0 +if "%DIRNAME%" == "" set DIRNAME=. +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if "%ERRORLEVEL%" == "0" goto init + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto init + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:init +@rem Get command-line arguments, handling Windowz variants + +if not "%OS%" == "Windows_NT" goto win9xME_args +if "%@eval[2+2]" == "4" goto 4NT_args + +:win9xME_args +@rem Slurp the command line arguments. +set CMD_LINE_ARGS= +set _SKIP=2 + +:win9xME_args_slurp +if "x%~1" == "x" goto execute + +set CMD_LINE_ARGS=%* +goto execute + +:4NT_args +@rem Get arguments from the 4NT Shell from JP Software +set CMD_LINE_ARGS=%$ + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% + +:end +@rem End local scope for the variables with windows NT shell +if "%ERRORLEVEL%"=="0" goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 +exit /b 1 + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/android/src/main/java/org/reactnative/MutableImage.java b/android/src/main/java/org/reactnative/MutableImage.java new file mode 100644 index 0000000..8d5fcc3 --- /dev/null +++ b/android/src/main/java/org/reactnative/MutableImage.java @@ -0,0 +1,272 @@ +package org.reactnative; + +import android.graphics.Bitmap; +import android.graphics.BitmapFactory; +import android.graphics.Matrix; +import android.media.ExifInterface; +import android.util.Base64; +import android.util.Log; + +import com.drew.imaging.ImageMetadataReader; +import com.drew.imaging.ImageProcessingException; +import com.drew.metadata.Directory; +import com.drew.metadata.Metadata; +import com.drew.metadata.MetadataException; +import com.drew.metadata.Tag; +import com.drew.metadata.exif.ExifIFD0Directory; +import com.facebook.react.bridge.ReadableMap; + +import java.io.BufferedInputStream; +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.File; +import java.io.FileOutputStream; +import java.io.IOException; + +public class MutableImage { + private static final String TAG = "RNCamera"; + + private final byte[] originalImageData; + private Bitmap currentRepresentation; + private Metadata originalImageMetaData; + private boolean hasBeenReoriented = false; + + public MutableImage(byte[] originalImageData) { + this.originalImageData = originalImageData; + this.currentRepresentation = toBitmap(originalImageData); + } + + public void mirrorImage() throws ImageMutationFailedException { + Matrix m = new Matrix(); + + m.preScale(-1, 1); + + Bitmap bitmap = Bitmap.createBitmap( + currentRepresentation, + 0, + 0, + currentRepresentation.getWidth(), + currentRepresentation.getHeight(), + m, + false + ); + + if (bitmap == null) + throw new ImageMutationFailedException("failed to mirror"); + + this.currentRepresentation = bitmap; + } + + public void fixOrientation() throws ImageMutationFailedException { + try { + Metadata metadata = originalImageMetaData(); + + ExifIFD0Directory exifIFD0Directory = metadata.getFirstDirectoryOfType(ExifIFD0Directory.class); + if (exifIFD0Directory == null) { + return; + } else if (exifIFD0Directory.containsTag(ExifIFD0Directory.TAG_ORIENTATION)) { + int exifOrientation = exifIFD0Directory.getInt(ExifIFD0Directory.TAG_ORIENTATION); + if(exifOrientation != 1) { + rotate(exifOrientation); + exifIFD0Directory.setInt(ExifIFD0Directory.TAG_ORIENTATION, 1); + } + } + } catch (ImageProcessingException | IOException | MetadataException e) { + throw new ImageMutationFailedException("failed to fix orientation", e); + } + } + + //see http://www.impulseadventure.com/photo/exif-orientation.html + private void rotate(int exifOrientation) throws ImageMutationFailedException { + final Matrix bitmapMatrix = new Matrix(); + switch (exifOrientation) { + case 1: + return;//no rotation required + case 2: + bitmapMatrix.postScale(-1, 1); + break; + case 3: + bitmapMatrix.postRotate(180); + break; + case 4: + bitmapMatrix.postRotate(180); + bitmapMatrix.postScale(-1, 1); + break; + case 5: + bitmapMatrix.postRotate(90); + bitmapMatrix.postScale(-1, 1); + break; + case 6: + bitmapMatrix.postRotate(90); + break; + case 7: + bitmapMatrix.postRotate(270); + bitmapMatrix.postScale(-1, 1); + break; + case 8: + bitmapMatrix.postRotate(270); + break; + default: + break; + } + + Bitmap transformedBitmap = Bitmap.createBitmap( + currentRepresentation, + 0, + 0, + currentRepresentation.getWidth(), + currentRepresentation.getHeight(), + bitmapMatrix, + false + ); + + if (transformedBitmap == null) + throw new ImageMutationFailedException("failed to rotate"); + + this.currentRepresentation = transformedBitmap; + this.hasBeenReoriented = true; + } + + private static Bitmap toBitmap(byte[] data) { + try { + ByteArrayInputStream inputStream = new ByteArrayInputStream(data); + Bitmap photo = BitmapFactory.decodeStream(inputStream); + inputStream.close(); + return photo; + } catch (IOException e) { + throw new IllegalStateException("Will not happen", e); + } + } + + public String toBase64(int jpegQualityPercent) { + return Base64.encodeToString(toJpeg(currentRepresentation, jpegQualityPercent), Base64.DEFAULT); + } + + public void writeDataToFile(File file, ReadableMap options, int jpegQualityPercent) throws IOException { + FileOutputStream fos = new FileOutputStream(file); + fos.write(toJpeg(currentRepresentation, jpegQualityPercent)); + fos.close(); + + try { + ExifInterface exif = new ExifInterface(file.getAbsolutePath()); + + // copy original exif data to the output exif... + // unfortunately, this Android ExifInterface class doesn't understand all the tags so we lose some + for (Directory directory : originalImageMetaData().getDirectories()) { + for (Tag tag : directory.getTags()) { + int tagType = tag.getTagType(); + Object object = directory.getObject(tagType); + exif.setAttribute(tag.getTagName(), object.toString()); + } + } + + writeLocationExifData(options, exif); + + if(hasBeenReoriented) + rewriteOrientation(exif); + + exif.saveAttributes(); + } catch (ImageProcessingException | IOException e) { + Log.e(TAG, "failed to save exif data", e); + } + } + + private void rewriteOrientation(ExifInterface exif) { + exif.setAttribute(ExifInterface.TAG_ORIENTATION, String.valueOf(ExifInterface.ORIENTATION_NORMAL)); + } + + private void writeLocationExifData(ReadableMap options, ExifInterface exif) { + if(!options.hasKey("metadata")) + return; + + ReadableMap metadata = options.getMap("metadata"); + if (!metadata.hasKey("location")) + return; + + ReadableMap location = metadata.getMap("location"); + if(!location.hasKey("coords")) + return; + + try { + ReadableMap coords = location.getMap("coords"); + double latitude = coords.getDouble("latitude"); + double longitude = coords.getDouble("longitude"); + + GPS.writeExifData(latitude, longitude, exif); + } catch (IOException e) { + Log.e(TAG, "Couldn't write location data", e); + } + } + + private Metadata originalImageMetaData() throws ImageProcessingException, IOException { + if(this.originalImageMetaData == null) {//this is expensive, don't do it more than once + originalImageMetaData = ImageMetadataReader.readMetadata( + new BufferedInputStream(new ByteArrayInputStream(originalImageData)), + originalImageData.length + ); + } + return originalImageMetaData; + } + + private static byte[] toJpeg(Bitmap bitmap, int quality) throws OutOfMemoryError { + ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); + bitmap.compress(Bitmap.CompressFormat.JPEG, quality, outputStream); + + try { + return outputStream.toByteArray(); + } finally { + try { + outputStream.close(); + } catch (IOException e) { + Log.e(TAG, "problem compressing jpeg", e); + } + } + } + + public static class ImageMutationFailedException extends Exception { + public ImageMutationFailedException(String detailMessage, Throwable throwable) { + super(detailMessage, throwable); + } + + public ImageMutationFailedException(String detailMessage) { + super(detailMessage); + } + } + + private static class GPS { + public static void writeExifData(double latitude, double longitude, ExifInterface exif) throws IOException { + exif.setAttribute(ExifInterface.TAG_GPS_LATITUDE, toDegreeMinuteSecods(latitude)); + exif.setAttribute(ExifInterface.TAG_GPS_LATITUDE_REF, latitudeRef(latitude)); + exif.setAttribute(ExifInterface.TAG_GPS_LONGITUDE, toDegreeMinuteSecods(longitude)); + exif.setAttribute(ExifInterface.TAG_GPS_LONGITUDE_REF, longitudeRef(longitude)); + } + + private static String latitudeRef(double latitude) { + return latitude < 0.0d ? "S" : "N"; + } + + private static String longitudeRef(double longitude) { + return longitude < 0.0d ? "W" : "E"; + } + + private static String toDegreeMinuteSecods(double latitude) { + latitude = Math.abs(latitude); + int degree = (int) latitude; + latitude *= 60; + latitude -= (degree * 60.0d); + int minute = (int) latitude; + latitude *= 60; + latitude -= (minute * 60.0d); + int second = (int) (latitude * 1000.0d); + + StringBuffer sb = new StringBuffer(); + sb.append(degree); + sb.append("/1,"); + sb.append(minute); + sb.append("/1,"); + sb.append(second); + sb.append("/1000,"); + return sb.toString(); + } + } +} diff --git a/android/src/main/java/org/reactnative/camera/CameraModule.java b/android/src/main/java/org/reactnative/camera/CameraModule.java new file mode 100644 index 0000000..90e0c1e --- /dev/null +++ b/android/src/main/java/org/reactnative/camera/CameraModule.java @@ -0,0 +1,211 @@ +package org.reactnative.camera; + +import android.content.Context; + +import org.reactnative.facedetector.ExpoFaceDetector; +import com.facebook.react.bridge.Arguments; +import com.facebook.react.bridge.Promise; +import com.facebook.react.bridge.ReactApplicationContext; +import com.facebook.react.bridge.ReactContextBaseJavaModule; +import com.facebook.react.bridge.ReactMethod; +import com.facebook.react.bridge.ReadableMap; +import com.facebook.react.bridge.WritableArray; +import com.google.android.cameraview.AspectRatio; +import com.google.zxing.BarcodeFormat; + +import java.util.Collections; +import java.util.HashMap; +import java.util.Map; +import java.util.Set; + +import javax.annotation.Nullable; + +public class CameraModule extends ReactContextBaseJavaModule { + private static final String TAG = "CameraModule"; + + private static ReactApplicationContext mReactContext; + +// private static ScopedContext mScopedContext; + static final int VIDEO_2160P = 0; + static final int VIDEO_1080P = 1; + static final int VIDEO_720P = 2; + static final int VIDEO_480P = 3; + static final int VIDEO_4x3 = 4; + + public static final Map VALID_BARCODE_TYPES = + Collections.unmodifiableMap(new HashMap() { + { + put("aztec", BarcodeFormat.AZTEC.toString()); + put("ean13", BarcodeFormat.EAN_13.toString()); + put("ean8", BarcodeFormat.EAN_8.toString()); + put("qr", BarcodeFormat.QR_CODE.toString()); + put("pdf417", BarcodeFormat.PDF_417.toString()); + put("upc_e", BarcodeFormat.UPC_E.toString()); + put("datamatrix", BarcodeFormat.DATA_MATRIX.toString()); + put("code39", BarcodeFormat.CODE_39.toString()); + put("code93", BarcodeFormat.CODE_93.toString()); + put("interleaved2of5", BarcodeFormat.ITF.toString()); + put("codabar", BarcodeFormat.CODABAR.toString()); + put("code128", BarcodeFormat.CODE_128.toString()); + put("maxicode", BarcodeFormat.MAXICODE.toString()); + put("rss14", BarcodeFormat.RSS_14.toString()); + put("rssexpanded", BarcodeFormat.RSS_EXPANDED.toString()); + put("upc_a", BarcodeFormat.UPC_A.toString()); + put("upc_ean", BarcodeFormat.UPC_EAN_EXTENSION.toString()); + } + }); + + public CameraModule(ReactApplicationContext reactContext) { + super(reactContext); + mReactContext = reactContext; + } + + public static ReactApplicationContext getReactContextSingleton() { + return mReactContext; + } + + public static Context getScopedContextSingleton() { + return mReactContext; + } + + @Override + public String getName() { + return "ExponentCameraModule"; + } + + @Nullable + @Override + public Map getConstants() { + return Collections.unmodifiableMap(new HashMap() { + { + put("Type", getTypeConstants()); + put("FlashMode", getFlashModeConstants()); + put("AutoFocus", getAutoFocusConstants()); + put("WhiteBalance", getWhiteBalanceConstants()); + put("VideoQuality", getVideoQualityConstants()); + put("BarCodeType", getBarCodeConstants()); + put("FaceDetection", Collections.unmodifiableMap(new HashMap() { + { + put("Mode", getFaceDetectionModeConstants()); + put("Landmarks", getFaceDetectionLandmarksConstants()); + put("Classifications", getFaceDetectionClassificationsConstants()); + } + + private Map getFaceDetectionModeConstants() { + return Collections.unmodifiableMap(new HashMap() { + { + put("fast", ExpoFaceDetector.FAST_MODE); + put("accurate", ExpoFaceDetector.ACCURATE_MODE); + } + }); + } + + private Map getFaceDetectionClassificationsConstants() { + return Collections.unmodifiableMap(new HashMap() { + { + put("all", ExpoFaceDetector.ALL_CLASSIFICATIONS); + put("none", ExpoFaceDetector.NO_CLASSIFICATIONS); + } + }); + } + + private Map getFaceDetectionLandmarksConstants() { + return Collections.unmodifiableMap(new HashMap() { + { + put("all", ExpoFaceDetector.ALL_LANDMARKS); + put("none", ExpoFaceDetector.NO_LANDMARKS); + } + }); + } + })); + } + + private Map getTypeConstants() { + return Collections.unmodifiableMap(new HashMap() { + { + put("front", Constants.FACING_FRONT); + put("back", Constants.FACING_BACK); + } + }); + } + + private Map getFlashModeConstants() { + return Collections.unmodifiableMap(new HashMap() { + { + put("off", Constants.FLASH_OFF); + put("on", Constants.FLASH_ON); + put("auto", Constants.FLASH_AUTO); + put("torch", Constants.FLASH_TORCH); + } + }); + } + + private Map getAutoFocusConstants() { + return Collections.unmodifiableMap(new HashMap() { + { + put("on", true); + put("off", false); + } + }); + } + + private Map getWhiteBalanceConstants() { + return Collections.unmodifiableMap(new HashMap() { + { + put("auto", Constants.WB_AUTO); + put("cloudy", Constants.WB_CLOUDY); + put("sunny", Constants.WB_SUNNY); + put("shadow", Constants.WB_SHADOW); + put("fluorescent", Constants.WB_FLUORESCENT); + put("incandescent", Constants.WB_INCANDESCENT); + } + }); + } + + private Map getVideoQualityConstants() { + return Collections.unmodifiableMap(new HashMap() { + { + put("2160p", VIDEO_2160P); + put("1080p", VIDEO_1080P); + put("720p", VIDEO_720P); + put("480p", VIDEO_480P); + put("4:3", VIDEO_4x3); + } + }); + } + + private Map getBarCodeConstants() { + return VALID_BARCODE_TYPES; + } + }); + } + + @ReactMethod + public void takePicture(ReadableMap options, final Promise promise) { + CameraViewManager.getInstance().takePicture(options, promise); + } + + @ReactMethod + public void record(ReadableMap options, final Promise promise) { + CameraViewManager.getInstance().record(options, promise); + } + + @ReactMethod + public void stopRecording() { + CameraViewManager.getInstance().stopRecording(); + } + + @ReactMethod + public void getSupportedRatios(final Promise promise) { + WritableArray result = Arguments.createArray(); + Set ratios = CameraViewManager.getInstance().getSupportedRatios(); + if (ratios != null) { + for (AspectRatio ratio : ratios) { + result.pushString(ratio.toString()); + } + promise.resolve(result); + } else { + promise.reject("E_CAMERA_UNAVAILABLE", "Camera is not running"); + } + } +} diff --git a/android/src/main/java/org/reactnative/camera/CameraViewManager.java b/android/src/main/java/org/reactnative/camera/CameraViewManager.java new file mode 100644 index 0000000..e4b1c1b --- /dev/null +++ b/android/src/main/java/org/reactnative/camera/CameraViewManager.java @@ -0,0 +1,196 @@ +package org.reactnative.camera; + +import android.Manifest; +import android.graphics.Bitmap; +import android.os.Build; +import android.support.annotation.Nullable; + +import org.reactnative.camera.tasks.ResolveTakenPictureAsyncTask; +import com.facebook.react.bridge.Promise; +import com.facebook.react.bridge.ReadableArray; +import com.facebook.react.bridge.ReadableMap; +import com.facebook.react.common.MapBuilder; +import com.facebook.react.uimanager.ThemedReactContext; +import com.facebook.react.uimanager.ViewGroupManager; +import com.facebook.react.uimanager.annotations.ReactProp; +import com.google.android.cameraview.AspectRatio; + +import java.nio.ByteBuffer; +import java.util.ArrayList; +import java.util.List; +import java.util.Map; +import java.util.Set; + +public class CameraViewManager extends ViewGroupManager { + public enum Events { + EVENT_CAMERA_READY("onCameraReady"), + EVENT_ON_MOUNT_ERROR("onMountError"), + EVENT_ON_BAR_CODE_READ("onBarCodeRead"), + EVENT_ON_FACES_DETECTED("onFacesDetected"), + EVENT_ON_FACE_DETECTION_ERROR("onFaceDetectionError"); + + private final String mName; + + Events(final String name) { + mName = name; + } + + @Override + public String toString() { + return mName; + } + } + + private static final String REACT_CLASS = "ExponentCamera"; + + private static CameraViewManager instance; + private ExpoCameraView mCameraView; + + public CameraViewManager() { + super(); + instance = this; + } + + public static CameraViewManager getInstance() { return instance; } + + @Override + public String getName() { + return REACT_CLASS; + } + + @Override + protected ExpoCameraView createViewInstance(ThemedReactContext themedReactContext) { + mCameraView = new ExpoCameraView(themedReactContext); + return mCameraView; + } + + @Override + @Nullable + public Map getExportedCustomDirectEventTypeConstants() { + MapBuilder.Builder builder = MapBuilder.builder(); + for (Events event : Events.values()) { + builder.put(event.toString(), MapBuilder.of("registrationName", event.toString())); + } + return builder.build(); + } + + @ReactProp(name = "type") + public void setType(ExpoCameraView view, int type) { + view.setFacing(type); + } + + @ReactProp(name = "ratio") + public void setRatio(ExpoCameraView view, String ratio) { + view.setAspectRatio(AspectRatio.parse(ratio)); + } + + @ReactProp(name = "flashMode") + public void setFlashMode(ExpoCameraView view, int torchMode) { + view.setFlash(torchMode); + } + + @ReactProp(name = "autoFocus") + public void setAutoFocus(ExpoCameraView view, boolean autoFocus) { + view.setAutoFocus(autoFocus); + } + + @ReactProp(name = "focusDepth") + public void setFocusDepth(ExpoCameraView view, float depth) { + view.setFocusDepth(depth); + } + + @ReactProp(name = "zoom") + public void setZoom(ExpoCameraView view, float zoom) { + view.setZoom(zoom); + } + + @ReactProp(name = "whiteBalance") + public void setWhiteBalance(ExpoCameraView view, int whiteBalance) { + view.setWhiteBalance(whiteBalance); + } + + @ReactProp(name = "barCodeTypes") + public void setBarCodeTypes(ExpoCameraView view, ReadableArray barCodeTypes) { + if (barCodeTypes == null) { + return; + } + List result = new ArrayList<>(barCodeTypes.size()); + for (int i = 0; i < barCodeTypes.size(); i++) { + result.add(barCodeTypes.getString(i)); + } + view.setBarCodeTypes(result); + } + + @ReactProp(name = "barCodeScannerEnabled") + public void setBarCodeScanning(ExpoCameraView view, boolean barCodeScannerEnabled) { + view.setShouldScanBarCodes(barCodeScannerEnabled); + } + + @ReactProp(name = "faceDetectorEnabled") + public void setFaceDetecting(ExpoCameraView view, boolean faceDetectorEnabled) { + view.setShouldDetectFaces(faceDetectorEnabled); + } + + @ReactProp(name = "faceDetectionMode") + public void setFaceDetectionMode(ExpoCameraView view, int mode) { + view.setFaceDetectionMode(mode); + } + + @ReactProp(name = "faceDetectionLandmarks") + public void setFaceDetectionLandmarks(ExpoCameraView view, int landmarks) { + view.setFaceDetectionLandmarks(landmarks); + } + + @ReactProp(name = "faceDetectionClassifications") + public void setFaceDetectionClassifications(ExpoCameraView view, int classifications) { + view.setFaceDetectionClassifications(classifications); + } + + public void takePicture(ReadableMap options, Promise promise) { + if (!Build.FINGERPRINT.contains("generic")) { + if (mCameraView.isCameraOpened()) { + mCameraView.takePicture(options, promise); + } else { + promise.reject("E_CAMERA_UNAVAILABLE", "Camera is not running"); + } + } else { + Bitmap image = ExpoCameraViewHelper.generateSimulatorPhoto(mCameraView.getWidth(), mCameraView.getHeight()); + ByteBuffer byteBuffer = ByteBuffer.allocate(image.getRowBytes() * image.getHeight()); + image.copyPixelsToBuffer(byteBuffer); + new ResolveTakenPictureAsyncTask(byteBuffer.array(), promise, options).execute(); + } + } + + public void record(final ReadableMap options, final Promise promise) { + // TODO fix this +// Exponent.getInstance().getPermissions(new Exponent.PermissionsListener() { +// @Override +// public void permissionsGranted() { +// if (mCameraView.isCameraOpened()) { +// mCameraView.record(options, promise); +// } else { +// promise.reject("E_CAMERA_UNAVAILABLE", "Camera is not running"); +// } +// } +// +// @Override +// public void permissionsDenied() { +// promise.reject(new SecurityException("User rejected audio permissions")); +// } +// }, new String[]{Manifest.permission.RECORD_AUDIO}); + + } + + public void stopRecording() { + if (mCameraView.isCameraOpened()) { + mCameraView.stopRecording(); + } + } + + public Set getSupportedRatios() { + if (mCameraView.isCameraOpened()) { + return mCameraView.getSupportedAspectRatios(); + } + return null; + } +} diff --git a/android/src/main/java/org/reactnative/camera/Constants.java b/android/src/main/java/org/reactnative/camera/Constants.java new file mode 100644 index 0000000..9395bd4 --- /dev/null +++ b/android/src/main/java/org/reactnative/camera/Constants.java @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2016 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.reactnative.camera; + +import com.google.android.cameraview.AspectRatio; + +public interface Constants { + + AspectRatio DEFAULT_ASPECT_RATIO = AspectRatio.of(4, 3); + + int FACING_BACK = 0; + int FACING_FRONT = 1; + + int FLASH_OFF = 0; + int FLASH_ON = 1; + int FLASH_TORCH = 2; + int FLASH_AUTO = 3; + int FLASH_RED_EYE = 4; + + int LANDSCAPE_90 = 90; + int LANDSCAPE_270 = 270; + + int WB_AUTO = 0; + int WB_CLOUDY = 1; + int WB_SUNNY = 2; + int WB_SHADOW = 3; + int WB_FLUORESCENT = 4; + int WB_INCANDESCENT = 5; +} diff --git a/android/src/main/java/org/reactnative/camera/ExpoCameraView.java b/android/src/main/java/org/reactnative/camera/ExpoCameraView.java new file mode 100644 index 0000000..58d1224 --- /dev/null +++ b/android/src/main/java/org/reactnative/camera/ExpoCameraView.java @@ -0,0 +1,316 @@ +package org.reactnative.camera; + +import android.Manifest; +import android.content.Context; +import android.content.pm.PackageManager; +import android.graphics.Color; +import android.media.CamcorderProfile; +import android.os.Build; +import android.support.v4.content.ContextCompat; +import android.util.SparseArray; +import android.view.View; + +import org.reactnative.camera.tasks.BarCodeScannerAsyncTask; +import org.reactnative.camera.tasks.BarCodeScannerAsyncTaskDelegate; +import org.reactnative.camera.tasks.FaceDetectorAsyncTask; +import org.reactnative.camera.tasks.FaceDetectorAsyncTaskDelegate; +import org.reactnative.camera.tasks.ResolveTakenPictureAsyncTask; +import org.reactnative.camera.utils.ImageDimensions; +import org.reactnative.facedetector.ExpoFaceDetector; +import com.facebook.react.bridge.Arguments; +import com.facebook.react.bridge.LifecycleEventListener; +import com.facebook.react.bridge.Promise; +import com.facebook.react.bridge.ReadableMap; +import com.facebook.react.bridge.WritableMap; +import com.facebook.react.uimanager.ThemedReactContext; +import com.google.android.cameraview.CameraView; +import com.google.android.gms.vision.face.Face; +import com.google.zxing.BarcodeFormat; +import com.google.zxing.DecodeHintType; +import com.google.zxing.MultiFormatReader; +import com.google.zxing.Result; + +import java.io.File; +import java.io.IOException; +import java.util.EnumMap; +import java.util.EnumSet; +import java.util.List; +import java.util.Map; +import java.util.Queue; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.ConcurrentLinkedQueue; + +public class ExpoCameraView extends CameraView implements LifecycleEventListener, BarCodeScannerAsyncTaskDelegate, FaceDetectorAsyncTaskDelegate { + private Queue mPictureTakenPromises = new ConcurrentLinkedQueue<>(); + private Map mPictureTakenOptions = new ConcurrentHashMap<>(); + private Promise mVideoRecordedPromise; + private List mBarCodeTypes = null; + + // Concurrency lock for scanners to avoid flooding the runtime + public volatile boolean barCodeScannerTaskLock = false; + public volatile boolean faceDetectorTaskLock = false; + + // Scanning-related properties + private final MultiFormatReader mMultiFormatReader = new MultiFormatReader(); + private final ExpoFaceDetector mFaceDetector; + private boolean mShouldDetectFaces = false; + private boolean mShouldScanBarCodes = false; + private int mFaceDetectorMode = ExpoFaceDetector.FAST_MODE; + private int mFaceDetectionLandmarks = ExpoFaceDetector.NO_LANDMARKS; + private int mFaceDetectionClassifications = ExpoFaceDetector.NO_CLASSIFICATIONS; + + public ExpoCameraView(ThemedReactContext themedReactContext) { + super(themedReactContext); + initBarcodeReader(); + mFaceDetector = new ExpoFaceDetector(themedReactContext); + setupFaceDetector(); + themedReactContext.addLifecycleEventListener(this); + + addCallback(new Callback() { + @Override + public void onCameraOpened(CameraView cameraView) { + ExpoCameraViewHelper.emitCameraReadyEvent(cameraView); + } + + @Override + public void onMountError(CameraView cameraView) { + ExpoCameraViewHelper.emitMountErrorEvent(cameraView); + } + + @Override + public void onPictureTaken(CameraView cameraView, final byte[] data) { + Promise promise = mPictureTakenPromises.poll(); + ReadableMap options = mPictureTakenOptions.remove(promise); + new ResolveTakenPictureAsyncTask(data, promise, options).execute(); + } + + @Override + public void onVideoRecorded(CameraView cameraView, String path) { + if (mVideoRecordedPromise != null) { + if (path != null) { + WritableMap result = Arguments.createMap(); + // TODO - fix this + //result.putString("uri", ExpFileUtils.uriFromFile(new File(path)).toString()); + mVideoRecordedPromise.resolve(result); + } else { + mVideoRecordedPromise.reject("E_RECORDING", "Couldn't stop recording - there is none in progress"); + } + mVideoRecordedPromise = null; + } + } + + @Override + public void onFramePreview(CameraView cameraView, byte[] data, int width, int height, int rotation) { + int correctRotation = ExpoCameraViewHelper.getCorrectCameraRotation(rotation, getFacing()); + + if (mShouldScanBarCodes && !barCodeScannerTaskLock && cameraView instanceof BarCodeScannerAsyncTaskDelegate) { + barCodeScannerTaskLock = true; + BarCodeScannerAsyncTaskDelegate delegate = (BarCodeScannerAsyncTaskDelegate) cameraView; + new BarCodeScannerAsyncTask(delegate, mMultiFormatReader, data, width, height).execute(); + } + + if (mShouldDetectFaces && !faceDetectorTaskLock && cameraView instanceof FaceDetectorAsyncTaskDelegate) { + faceDetectorTaskLock = true; + FaceDetectorAsyncTaskDelegate delegate = (FaceDetectorAsyncTaskDelegate) cameraView; + new FaceDetectorAsyncTask(delegate, mFaceDetector, data, width, height, correctRotation).execute(); + } + } + }); + } + + @Override + protected void onLayout(boolean changed, int left, int top, int right, int bottom) { + View preview = getView(); + if (null == preview) { + return; + } + this.setBackgroundColor(Color.BLACK); + int width = right - left; + int height = bottom - top; + preview.layout(0, 0, width, height); + } + + @Override + public void requestLayout() { + // React handles this for us, so we don't need to call super.requestLayout(); + } + + @Override + public void onViewAdded(View child) { + if (this.getView() == child || this.getView() == null) return; + // remove and readd view to make sure it is in the back. + // @TODO figure out why there was a z order issue in the first place and fix accordingly. + this.removeView(this.getView()); + this.addView(this.getView(), 0); + } + + public void setBarCodeTypes(List barCodeTypes) { + mBarCodeTypes = barCodeTypes; + initBarcodeReader(); + } + + public void takePicture(ReadableMap options, final Promise promise) { + mPictureTakenPromises.add(promise); + mPictureTakenOptions.put(promise, options); + super.takePicture(); + } + + public void record(ReadableMap options, final Promise promise) { +// try { + // TODO - fix this + String path = ""; + //String path = ExpFileUtils.generateOutputPath(CameraModule.getScopedContextSingleton().getCacheDir(), "Camera", ".mp4"); + int maxDuration = options.hasKey("maxDuration") ? options.getInt("maxDuration") : -1; + int maxFileSize = options.hasKey("maxFileSize") ? options.getInt("maxFileSize") : -1; + + CamcorderProfile profile = CamcorderProfile.get(CamcorderProfile.QUALITY_HIGH); + if (options.hasKey("quality")) { + profile = ExpoCameraViewHelper.getCamcorderProfile(options.getInt("quality")); + } + + boolean recordAudio = !options.hasKey("mute"); + + if (super.record(path, maxDuration * 1000, maxFileSize, recordAudio, profile)) { + mVideoRecordedPromise = promise; + } else { + promise.reject("E_RECORDING_FAILED", "Starting video recording failed. Another recording might be in progress."); + } +// } catch (IOException e) { +// promise.reject("E_RECORDING_FAILED", "Starting video recording failed - could not create video file."); +// } + } + + /** + * Initialize the barcode decoder. + * Supports all iOS codes except [code138, code39mod43, itf14] + * Additionally supports [codabar, code128, maxicode, rss14, rssexpanded, upc_a, upc_ean] + */ + private void initBarcodeReader() { + EnumMap hints = new EnumMap<>(DecodeHintType.class); + EnumSet decodeFormats = EnumSet.noneOf(BarcodeFormat.class); + + if (mBarCodeTypes != null) { + for (String code : mBarCodeTypes) { + String formatString = (String) CameraModule.VALID_BARCODE_TYPES.get(code); + if (formatString != null) { + decodeFormats.add(BarcodeFormat.valueOf(code)); + } + } + } + + hints.put(DecodeHintType.POSSIBLE_FORMATS, decodeFormats); + mMultiFormatReader.setHints(hints); + } + + public void setShouldScanBarCodes(boolean shouldScanBarCodes) { + this.mShouldScanBarCodes = shouldScanBarCodes; + setScanning(mShouldDetectFaces || mShouldScanBarCodes); + } + + public void onBarCodeRead(Result barCode) { + String barCodeType = barCode.getBarcodeFormat().toString(); + if (!mShouldScanBarCodes || !mBarCodeTypes.contains(barCodeType)) { + return; + } + + ExpoCameraViewHelper.emitBarCodeReadEvent(this, barCode); + } + + public void onBarCodeScanningTaskCompleted() { + barCodeScannerTaskLock = false; + mMultiFormatReader.reset(); + } + + /** + * Initial setup of the face detector + */ + private void setupFaceDetector() { + mFaceDetector.setMode(mFaceDetectorMode); + mFaceDetector.setLandmarkType(mFaceDetectionLandmarks); + mFaceDetector.setClassificationType(mFaceDetectionClassifications); + mFaceDetector.setTracking(true); + } + + public void setFaceDetectionLandmarks(int landmarks) { + mFaceDetectionLandmarks = landmarks; + if (mFaceDetector != null) { + mFaceDetector.setLandmarkType(landmarks); + } + } + + public void setFaceDetectionClassifications(int classifications) { + mFaceDetectionClassifications = classifications; + if (mFaceDetector != null) { + mFaceDetector.setClassificationType(classifications); + } + } + + public void setFaceDetectionMode(int mode) { + mFaceDetectorMode = mode; + if (mFaceDetector != null) { + mFaceDetector.setMode(mode); + } + } + + public void setShouldDetectFaces(boolean shouldDetectFaces) { + this.mShouldDetectFaces = shouldDetectFaces; + setScanning(mShouldDetectFaces || mShouldScanBarCodes); + } + + public void onFacesDetected(SparseArray facesReported, int sourceWidth, int sourceHeight, int sourceRotation) { + if (!mShouldDetectFaces) { + return; + } + + SparseArray facesDetected = facesReported == null ? new SparseArray() : facesReported; + + ImageDimensions dimensions = new ImageDimensions(sourceWidth, sourceHeight, sourceRotation, getFacing()); + ExpoCameraViewHelper.emitFacesDetectedEvent(this, facesDetected, dimensions); + } + + public void onFaceDetectionError(ExpoFaceDetector faceDetector) { + if (!mShouldDetectFaces) { + return; + } + + ExpoCameraViewHelper.emitFaceDetectionErrorEvent(this, faceDetector); + } + + @Override + public void onFaceDetectingTaskCompleted() { + faceDetectorTaskLock = false; + } + + @Override + public void onHostResume() { + if (hasCameraPermissions()) { + if (!Build.FINGERPRINT.contains("generic")) { + start(); + } + } else { + WritableMap error = Arguments.createMap(); + error.putString("message", "Camera permissions not granted - component could not be rendered."); + ExpoCameraViewHelper.emitMountErrorEvent(this); + } + } + + @Override + public void onHostPause() { + stop(); + } + + @Override + public void onHostDestroy() { + mFaceDetector.release(); + stop(); + } + + private boolean hasCameraPermissions() { + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) { + int result = ContextCompat.checkSelfPermission(getContext(), Manifest.permission.CAMERA); + return result == PackageManager.PERMISSION_GRANTED; + } else { + return true; + } + } +} diff --git a/android/src/main/java/org/reactnative/camera/ExpoCameraViewHelper.java b/android/src/main/java/org/reactnative/camera/ExpoCameraViewHelper.java new file mode 100644 index 0000000..76e83e6 --- /dev/null +++ b/android/src/main/java/org/reactnative/camera/ExpoCameraViewHelper.java @@ -0,0 +1,170 @@ +package org.reactnative.camera; + +import android.graphics.Bitmap; +import android.graphics.Canvas; +import android.graphics.Color; +import android.graphics.Paint; +import android.media.CamcorderProfile; +import android.os.Build; +import android.support.media.ExifInterface; +import android.util.SparseArray; +import android.view.ViewGroup; + +import org.reactnative.camera.events.BarCodeReadEvent; +import org.reactnative.camera.events.CameraMountErrorEvent; +import org.reactnative.camera.events.CameraReadyEvent; +import org.reactnative.camera.events.FaceDetectionErrorEvent; +import org.reactnative.camera.events.FacesDetectedEvent; +import org.reactnative.camera.utils.ImageDimensions; +import org.reactnative.facedetector.ExpoFaceDetector; +import com.facebook.react.bridge.Arguments; +import com.facebook.react.bridge.ReactContext; +import com.facebook.react.bridge.WritableMap; +import com.facebook.react.uimanager.UIManagerModule; +import com.google.android.cameraview.CameraView; +import com.google.android.gms.vision.face.Face; +import com.google.zxing.Result; + +import java.io.File; +import java.io.IOException; +import java.text.SimpleDateFormat; +import java.util.Calendar; +import java.util.Locale; +import java.util.UUID; + +public class ExpoCameraViewHelper { + // Mount error event + + public static void emitMountErrorEvent(ViewGroup view) { + CameraMountErrorEvent event = CameraMountErrorEvent.obtain(view.getId()); + ReactContext reactContext = (ReactContext) view.getContext(); + reactContext.getNativeModule(UIManagerModule.class).getEventDispatcher().dispatchEvent(event); + } + + // Camera ready event + + public static void emitCameraReadyEvent(ViewGroup view) { + CameraReadyEvent event = CameraReadyEvent.obtain(view.getId()); + ReactContext reactContext = (ReactContext) view.getContext(); + reactContext.getNativeModule(UIManagerModule.class).getEventDispatcher().dispatchEvent(event); + } + + // Face detection events + + public static void emitFacesDetectedEvent( + ViewGroup view, + SparseArray faces, + ImageDimensions dimensions + ) { + float density = view.getResources().getDisplayMetrics().density; + + double scaleX = (double) view.getWidth() / (dimensions.getWidth() * density); + double scaleY = (double) view.getHeight() / (dimensions.getHeight() * density); + + FacesDetectedEvent event = FacesDetectedEvent.obtain( + view.getId(), + faces, + dimensions, + scaleX, + scaleY + ); + + ReactContext reactContext = (ReactContext) view.getContext(); + reactContext.getNativeModule(UIManagerModule.class).getEventDispatcher().dispatchEvent(event); + } + + public static void emitFaceDetectionErrorEvent(ViewGroup view, ExpoFaceDetector faceDetector) { + FaceDetectionErrorEvent event = FaceDetectionErrorEvent.obtain(view.getId(), faceDetector); + ReactContext reactContext = (ReactContext) view.getContext(); + reactContext.getNativeModule(UIManagerModule.class).getEventDispatcher().dispatchEvent(event); + } + + // Bar code read event + + public static void emitBarCodeReadEvent(ViewGroup view, Result barCode) { + BarCodeReadEvent event = BarCodeReadEvent.obtain(view.getId(), barCode); + ReactContext reactContext = (ReactContext) view.getContext(); + reactContext.getNativeModule(UIManagerModule.class).getEventDispatcher().dispatchEvent(event); + } + + // Utilities + + public static int getCorrectCameraRotation(int rotation, int facing) { + if (facing == CameraView.FACING_FRONT) { + return (rotation - 90 + 360) % 360; + } else { + return (-rotation + 90 + 360) % 360; + } + } + + public static CamcorderProfile getCamcorderProfile(int quality) { + CamcorderProfile profile = CamcorderProfile.get(CamcorderProfile.QUALITY_HIGH); + switch (quality) { + case CameraModule.VIDEO_2160P: + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { + profile = CamcorderProfile.get(CamcorderProfile.QUALITY_2160P); + } + break; + case CameraModule.VIDEO_1080P: + profile = CamcorderProfile.get(CamcorderProfile.QUALITY_1080P); + break; + case CameraModule.VIDEO_720P: + profile = CamcorderProfile.get(CamcorderProfile.QUALITY_720P); + break; + case CameraModule.VIDEO_480P: + profile = CamcorderProfile.get(CamcorderProfile.QUALITY_480P); + break; + case CameraModule.VIDEO_4x3: + profile = CamcorderProfile.get(CamcorderProfile.QUALITY_480P); + profile.videoFrameWidth = 640; + break; + } + return profile; + } + + public static WritableMap getExifData(ExifInterface exifInterface) { + WritableMap exifMap = Arguments.createMap(); + // TODO - fix this +// for (String[] tagInfo : ImagePickerModule.exifTags) { +// String name = tagInfo[1]; +// if (exifInterface.getAttribute(name) != null) { +// String type = tagInfo[0]; +// switch (type) { +// case "string": +// exifMap.putString(name, exifInterface.getAttribute(name)); +// break; +// case "int": +// exifMap.putInt(name, exifInterface.getAttributeInt(name, 0)); +// break; +// case "double": +// exifMap.putDouble(name, exifInterface.getAttributeDouble(name, 0)); +// break; +// } +// } +// } + + double[] latLong = exifInterface.getLatLong(); + if (latLong != null) { + exifMap.putDouble(ExifInterface.TAG_GPS_LATITUDE, latLong[0]); + exifMap.putDouble(ExifInterface.TAG_GPS_LONGITUDE, latLong[1]); + exifMap.putDouble(ExifInterface.TAG_GPS_ALTITUDE, exifInterface.getAltitude(0)); + } + + return exifMap; + } + + public static Bitmap generateSimulatorPhoto(int width, int height) { + Bitmap fakePhoto = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); + Canvas canvas = new Canvas(fakePhoto); + Paint background = new Paint(); + background.setColor(Color.BLACK); + canvas.drawRect(0, 0, width, height, background); + Paint textPaint = new Paint(); + textPaint.setColor(Color.YELLOW); + textPaint.setTextSize(35); + Calendar calendar = Calendar.getInstance(); + SimpleDateFormat simpleDateFormat = new SimpleDateFormat("dd.MM.YY HH:mm:ss", Locale.getDefault()); + canvas.drawText(simpleDateFormat.format(calendar.getTime()), width * 0.1f, height * 0.9f, textPaint); + return fakePhoto; + } +} diff --git a/android/src/main/java/org/reactnative/camera/events/BarCodeReadEvent.java b/android/src/main/java/org/reactnative/camera/events/BarCodeReadEvent.java new file mode 100644 index 0000000..f4b26c5 --- /dev/null +++ b/android/src/main/java/org/reactnative/camera/events/BarCodeReadEvent.java @@ -0,0 +1,68 @@ +package org.reactnative.camera.events; + +import android.support.v4.util.Pools; + +import org.reactnative.camera.CameraViewManager; +import com.facebook.react.bridge.Arguments; +import com.facebook.react.bridge.WritableMap; +import com.facebook.react.uimanager.events.Event; +import com.facebook.react.uimanager.events.RCTEventEmitter; +import com.google.zxing.Result; + +import java.util.Date; + +public class BarCodeReadEvent extends Event { + private static final Pools.SynchronizedPool EVENTS_POOL = + new Pools.SynchronizedPool<>(3); + + private Result mBarCode; + + private BarCodeReadEvent() {} + + public static BarCodeReadEvent obtain(int viewTag, Result barCode) { + BarCodeReadEvent event = EVENTS_POOL.acquire(); + if (event == null) { + event = new BarCodeReadEvent(); + } + event.init(viewTag); + return event; + } + + private void init(int viewTag, Result barCode) { + super.init(viewTag); + mBarCode = barCode; + } + + /** + * We want every distinct barcode to be reported to the JS listener. + * If we return some static value as a coalescing key there may be two barcode events + * containing two different barcodes waiting to be transmitted to JS + * that would get coalesced (because both of them would have the same coalescing key). + * So let's differentiate them with a hash of the contents (mod short's max value). + */ + @Override + public short getCoalescingKey() { + int hashCode = mBarCode.getText().hashCode() % Short.MAX_VALUE; + return (short) hashCode; + } + + @Override + public String getEventName() { + return CameraViewManager.Events.EVENT_ON_BAR_CODE_READ.toString(); + } + + @Override + public void dispatch(RCTEventEmitter rctEventEmitter) { + rctEventEmitter.receiveEvent(getViewTag(), getEventName(), serializeEventData()); + } + + private WritableMap serializeEventData() { + WritableMap event = Arguments.createMap(); + + event.putInt("target", getViewTag()); + event.putString("data", mBarCode.getText()); + event.putString("type", mBarCode.getBarcodeFormat().toString()); + + return event; + } +} diff --git a/android/src/main/java/org/reactnative/camera/events/CameraMountErrorEvent.java b/android/src/main/java/org/reactnative/camera/events/CameraMountErrorEvent.java new file mode 100644 index 0000000..ce2e9a5 --- /dev/null +++ b/android/src/main/java/org/reactnative/camera/events/CameraMountErrorEvent.java @@ -0,0 +1,44 @@ +package org.reactnative.camera.events; + +import android.support.v4.util.Pools; + +import org.reactnative.camera.CameraViewManager; +import com.facebook.react.bridge.Arguments; +import com.facebook.react.bridge.WritableMap; +import com.facebook.react.uimanager.events.Event; +import com.facebook.react.uimanager.events.RCTEventEmitter; + +import java.util.Date; + +public class CameraMountErrorEvent extends Event { + private static final Pools.SynchronizedPool EVENTS_POOL = new Pools.SynchronizedPool<>(3); + private CameraMountErrorEvent() {} + + public static CameraMountErrorEvent obtain(int viewTag) { + CameraMountErrorEvent event = EVENTS_POOL.acquire(); + if (event == null) { + event = new CameraMountErrorEvent(); + } + event.init(viewTag); + return event; + } + + @Override + public short getCoalescingKey() { + return 0; + } + + @Override + public String getEventName() { + return CameraViewManager.Events.EVENT_ON_MOUNT_ERROR.toString(); + } + + @Override + public void dispatch(RCTEventEmitter rctEventEmitter) { + rctEventEmitter.receiveEvent(getViewTag(), getEventName(), serializeEventData()); + } + + private WritableMap serializeEventData() { + return Arguments.createMap(); + } +} diff --git a/android/src/main/java/org/reactnative/camera/events/CameraReadyEvent.java b/android/src/main/java/org/reactnative/camera/events/CameraReadyEvent.java new file mode 100644 index 0000000..43cb863 --- /dev/null +++ b/android/src/main/java/org/reactnative/camera/events/CameraReadyEvent.java @@ -0,0 +1,44 @@ +package org.reactnative.camera.events; + +import android.support.v4.util.Pools; + +import org.reactnative.camera.CameraViewManager; +import com.facebook.react.bridge.Arguments; +import com.facebook.react.bridge.WritableMap; +import com.facebook.react.uimanager.events.Event; +import com.facebook.react.uimanager.events.RCTEventEmitter; + +import java.util.Date; + +public class CameraReadyEvent extends Event { + private static final Pools.SynchronizedPool EVENTS_POOL = new Pools.SynchronizedPool<>(3); + private CameraReadyEvent() {} + + public static CameraReadyEvent obtain(int viewTag) { + CameraReadyEvent event = EVENTS_POOL.acquire(); + if (event == null) { + event = new CameraReadyEvent(); + } + event.init(viewTag); + return event; + } + + @Override + public short getCoalescingKey() { + return 0; + } + + @Override + public String getEventName() { + return CameraViewManager.Events.EVENT_CAMERA_READY.toString(); + } + + @Override + public void dispatch(RCTEventEmitter rctEventEmitter) { + rctEventEmitter.receiveEvent(getViewTag(), getEventName(), serializeEventData()); + } + + private WritableMap serializeEventData() { + return Arguments.createMap(); + } +} diff --git a/android/src/main/java/org/reactnative/camera/events/FaceDetectionErrorEvent.java b/android/src/main/java/org/reactnative/camera/events/FaceDetectionErrorEvent.java new file mode 100644 index 0000000..1fb7229 --- /dev/null +++ b/android/src/main/java/org/reactnative/camera/events/FaceDetectionErrorEvent.java @@ -0,0 +1,53 @@ +package org.reactnative.camera.events; + +import android.support.v4.util.Pools; + +import org.reactnative.camera.CameraViewManager; +import org.reactnative.facedetector.ExpoFaceDetector; +import com.facebook.react.bridge.Arguments; +import com.facebook.react.bridge.WritableMap; +import com.facebook.react.uimanager.events.Event; +import com.facebook.react.uimanager.events.RCTEventEmitter; + +import java.util.Date; + +public class FaceDetectionErrorEvent extends Event { + private static final Pools.SynchronizedPool EVENTS_POOL = new Pools.SynchronizedPool<>(3); + private ExpoFaceDetector mFaceDetector; + private FaceDetectionErrorEvent() {} + + public static FaceDetectionErrorEvent obtain(int viewTag, ExpoFaceDetector faceDetector) { + FaceDetectionErrorEvent event = EVENTS_POOL.acquire(); + if (event == null) { + event = new FaceDetectionErrorEvent(); + } + event.init(viewTag); + return event; + } + + private void init(int viewTag, ExpoFaceDetector faceDetector) { + super.init(viewTag); + mFaceDetector = faceDetector; + } + + @Override + public short getCoalescingKey() { + return 0; + } + + @Override + public String getEventName() { + return CameraViewManager.Events.EVENT_ON_MOUNT_ERROR.toString(); + } + + @Override + public void dispatch(RCTEventEmitter rctEventEmitter) { + rctEventEmitter.receiveEvent(getViewTag(), getEventName(), serializeEventData()); + } + + private WritableMap serializeEventData() { + WritableMap map = Arguments.createMap(); + map.putBoolean("isOperational", mFaceDetector.isOperational()); + return map; + } +} diff --git a/android/src/main/java/org/reactnative/camera/events/FacesDetectedEvent.java b/android/src/main/java/org/reactnative/camera/events/FacesDetectedEvent.java new file mode 100644 index 0000000..e8472b4 --- /dev/null +++ b/android/src/main/java/org/reactnative/camera/events/FacesDetectedEvent.java @@ -0,0 +1,103 @@ +package org.reactnative.camera.events; + +import android.support.v4.util.Pools; +import android.util.SparseArray; + +import org.reactnative.camera.CameraViewManager; +import org.reactnative.camera.utils.ImageDimensions; +import org.reactnative.facedetector.FaceDetectorUtils; +import com.facebook.react.bridge.Arguments; +import com.facebook.react.bridge.WritableArray; +import com.facebook.react.bridge.WritableMap; +import com.facebook.react.uimanager.events.Event; +import com.facebook.react.uimanager.events.RCTEventEmitter; +import com.google.android.cameraview.CameraView; +import com.google.android.gms.vision.face.Face; + +import java.util.Date; + +public class FacesDetectedEvent extends Event { + private static final Pools.SynchronizedPool EVENTS_POOL = + new Pools.SynchronizedPool<>(3); + + private double mScaleX; + private double mScaleY; + private SparseArray mFaces; + private ImageDimensions mImageDimensions; + + private FacesDetectedEvent() {} + + public static FacesDetectedEvent obtain( + int viewTag, + SparseArray faces, + ImageDimensions dimensions, + double scaleX, + double scaleY + ) { + FacesDetectedEvent event = EVENTS_POOL.acquire(); + if (event == null) { + event = new FacesDetectedEvent(); + } + event.init(viewTag, faces, dimensions, scaleX, scaleY); + return event; + } + + private void init( + int viewTag, + SparseArray faces, + ImageDimensions dimensions, + double scaleX, + double scaleY + ) { + super.init(viewTag); + mFaces = faces; + mImageDimensions = dimensions; + mScaleX = scaleX; + mScaleY = scaleY; + } + + /** + * note(@sjchmiela) + * Should the events about detected faces coalesce, the best strategy will be + * to ensure that events with different faces count are always being transmitted. + */ + @Override + public short getCoalescingKey() { + if (mFaces.size() > Short.MAX_VALUE) { + return Short.MAX_VALUE; + } + + return (short) mFaces.size(); + } + + @Override + public String getEventName() { + return CameraViewManager.Events.EVENT_ON_FACES_DETECTED.toString(); + } + + @Override + public void dispatch(RCTEventEmitter rctEventEmitter) { + rctEventEmitter.receiveEvent(getViewTag(), getEventName(), serializeEventData()); + } + + private WritableMap serializeEventData() { + WritableArray facesList = Arguments.createArray(); + + for(int i = 0; i < mFaces.size(); i++) { + Face face = mFaces.valueAt(i); + WritableMap serializedFace = FaceDetectorUtils.serializeFace(face, mScaleX, mScaleY); + if (mImageDimensions.getFacing() == CameraView.FACING_FRONT) { + serializedFace = FaceDetectorUtils.rotateFaceX(serializedFace, mImageDimensions.getWidth(), mScaleX); + } else { + serializedFace = FaceDetectorUtils.changeAnglesDirection(serializedFace); + } + facesList.pushMap(serializedFace); + } + + WritableMap event = Arguments.createMap(); + event.putString("type", "face"); + event.putArray("faces", facesList); + event.putInt("target", getViewTag()); + return event; + } +} diff --git a/android/src/main/java/org/reactnative/camera/tasks/BarCodeScannerAsyncTask.java b/android/src/main/java/org/reactnative/camera/tasks/BarCodeScannerAsyncTask.java new file mode 100644 index 0000000..8c3e1d6 --- /dev/null +++ b/android/src/main/java/org/reactnative/camera/tasks/BarCodeScannerAsyncTask.java @@ -0,0 +1,74 @@ +package org.reactnative.camera.tasks; + +import com.google.zxing.BinaryBitmap; +import com.google.zxing.MultiFormatReader; +import com.google.zxing.NotFoundException; +import com.google.zxing.PlanarYUVLuminanceSource; +import com.google.zxing.Result; +import com.google.zxing.common.HybridBinarizer; + +public class BarCodeScannerAsyncTask extends android.os.AsyncTask { + private byte[] mImageData; + private int mWidth; + private int mHeight; + private BarCodeScannerAsyncTaskDelegate mDelegate; + private final MultiFormatReader mMultiFormatReader; + + // note(sjchmiela): From my short research it's ok to ignore rotation of the image. + public BarCodeScannerAsyncTask( + BarCodeScannerAsyncTaskDelegate delegate, + MultiFormatReader multiFormatReader, + byte[] imageData, + int width, + int height + ) { + mImageData = imageData; + mWidth = width; + mHeight = height; + mDelegate = delegate; + mMultiFormatReader = multiFormatReader; + } + + @Override + protected Result doInBackground(Void... ignored) { + if (isCancelled() || mDelegate == null) { + return null; + } + + Result result = null; + + try { + BinaryBitmap bitmap = generateBitmapFromImageData(mImageData, mWidth, mHeight); + result = mMultiFormatReader.decodeWithState(bitmap); + } catch (NotFoundException e) { + // No barcode found, result is already null. + } catch (Throwable t) { + t.printStackTrace(); + } + + return result; + } + + @Override + protected void onPostExecute(Result result) { + super.onPostExecute(result); + if (result != null) { + mDelegate.onBarCodeRead(result); + } + mDelegate.onBarCodeScanningTaskCompleted(); + } + + private BinaryBitmap generateBitmapFromImageData(byte[] imageData, int width, int height) { + PlanarYUVLuminanceSource source = new PlanarYUVLuminanceSource( + imageData, // byte[] yuvData + width, // int dataWidth + height, // int dataHeight + 0, // int left + 0, // int top + width, // int width + height, // int height + false // boolean reverseHorizontal + ); + return new BinaryBitmap(new HybridBinarizer(source)); + } +} diff --git a/android/src/main/java/org/reactnative/camera/tasks/BarCodeScannerAsyncTaskDelegate.java b/android/src/main/java/org/reactnative/camera/tasks/BarCodeScannerAsyncTaskDelegate.java new file mode 100644 index 0000000..b23b515 --- /dev/null +++ b/android/src/main/java/org/reactnative/camera/tasks/BarCodeScannerAsyncTaskDelegate.java @@ -0,0 +1,8 @@ +package org.reactnative.camera.tasks; + +import com.google.zxing.Result; + +public interface BarCodeScannerAsyncTaskDelegate { + void onBarCodeRead(Result barCode); + void onBarCodeScanningTaskCompleted(); +} diff --git a/android/src/main/java/org/reactnative/camera/tasks/FaceDetectorAsyncTask.java b/android/src/main/java/org/reactnative/camera/tasks/FaceDetectorAsyncTask.java new file mode 100644 index 0000000..b49e5b0 --- /dev/null +++ b/android/src/main/java/org/reactnative/camera/tasks/FaceDetectorAsyncTask.java @@ -0,0 +1,55 @@ +package org.reactnative.camera.tasks; + +import android.util.SparseArray; + +import org.reactnative.facedetector.ExpoFaceDetector; +import org.reactnative.facedetector.ExpoFrame; +import org.reactnative.facedetector.ExpoFrameFactory; +import com.google.android.gms.vision.face.Face; + +public class FaceDetectorAsyncTask extends android.os.AsyncTask> { + private byte[] mImageData; + private int mWidth; + private int mHeight; + private int mRotation; + private ExpoFaceDetector mFaceDetector; + private FaceDetectorAsyncTaskDelegate mDelegate; + + public FaceDetectorAsyncTask( + FaceDetectorAsyncTaskDelegate delegate, + ExpoFaceDetector faceDetector, + byte[] imageData, + int width, + int height, + int rotation + ) { + mImageData = imageData; + mWidth = width; + mHeight = height; + mRotation = rotation; + mDelegate = delegate; + mFaceDetector = faceDetector; + } + + @Override + protected SparseArray doInBackground(Void... ignored) { + if (isCancelled() || mDelegate == null || mFaceDetector == null || !mFaceDetector.isOperational()) { + return null; + } + + ExpoFrame frame = ExpoFrameFactory.buildFrame(mImageData, mWidth, mHeight, mRotation); + return mFaceDetector.detect(frame); + } + + @Override + protected void onPostExecute(SparseArray faces) { + super.onPostExecute(faces); + + if (faces == null) { + mDelegate.onFaceDetectionError(mFaceDetector); + } else { + mDelegate.onFacesDetected(faces, mWidth, mHeight, mRotation); + mDelegate.onFaceDetectingTaskCompleted(); + } + } +} diff --git a/android/src/main/java/org/reactnative/camera/tasks/FaceDetectorAsyncTaskDelegate.java b/android/src/main/java/org/reactnative/camera/tasks/FaceDetectorAsyncTaskDelegate.java new file mode 100644 index 0000000..035c0fd --- /dev/null +++ b/android/src/main/java/org/reactnative/camera/tasks/FaceDetectorAsyncTaskDelegate.java @@ -0,0 +1,12 @@ +package org.reactnative.camera.tasks; + +import android.util.SparseArray; + +import org.reactnative.facedetector.ExpoFaceDetector; +import com.google.android.gms.vision.face.Face; + +public interface FaceDetectorAsyncTaskDelegate { + void onFacesDetected(SparseArray face, int sourceWidth, int sourceHeight, int sourceRotation); + void onFaceDetectionError(ExpoFaceDetector faceDetector); + void onFaceDetectingTaskCompleted(); +} diff --git a/android/src/main/java/org/reactnative/camera/tasks/ResolveTakenPictureAsyncTask.java b/android/src/main/java/org/reactnative/camera/tasks/ResolveTakenPictureAsyncTask.java new file mode 100644 index 0000000..2bd4d67 --- /dev/null +++ b/android/src/main/java/org/reactnative/camera/tasks/ResolveTakenPictureAsyncTask.java @@ -0,0 +1,75 @@ +package org.reactnative.camera.tasks; + +import android.content.res.Resources; +import android.graphics.Matrix; +import android.os.AsyncTask; + +import org.reactnative.MutableImage; +import com.facebook.react.bridge.Arguments; +import com.facebook.react.bridge.Promise; +import com.facebook.react.bridge.ReadableMap; +import com.facebook.react.bridge.WritableMap; + +import java.io.ByteArrayInputStream; +import java.io.IOException; + +public class ResolveTakenPictureAsyncTask extends AsyncTask { + private static final String ERROR_TAG = "E_TAKING_PICTURE_FAILED"; + private Promise mPromise; + private byte[] mImageData; + private ReadableMap mOptions; + + public ResolveTakenPictureAsyncTask(byte[] imageData, Promise promise, ReadableMap options) { + mPromise = promise; + mOptions = options; + mImageData = imageData; + } + + private int getQuality() { + return (int) (mOptions.getDouble("quality") * 100); + } + + @Override + protected WritableMap doInBackground(Void... voids) { + WritableMap response = Arguments.createMap(); + ByteArrayInputStream inputStream = new ByteArrayInputStream(mImageData); + + try { + MutableImage mutableImage = new MutableImage(mImageData); + mutableImage.mirrorImage(); + mutableImage.fixOrientation(); + String encoded = mutableImage.toBase64(getQuality()); + + response.putString("base64", encoded); + + return response; + } catch (Resources.NotFoundException e) { + mPromise.reject(ERROR_TAG, "Documents directory of the app could not be found.", e); + e.printStackTrace(); + } catch (MutableImage.ImageMutationFailedException e) { + e.printStackTrace(); + } finally { + try { + if (inputStream != null) { + inputStream.close(); + } + } catch (IOException e) { + e.printStackTrace(); + } + } + + // An exception had to occur, promise has already been rejected. Do not try to resolve it again. + return null; + } + + @Override + protected void onPostExecute(WritableMap response) { + super.onPostExecute(response); + + // If the response is not null everything went well and we can resolve the promise. + if (response != null) { + mPromise.resolve(response); + } + } + +} diff --git a/android/src/main/java/org/reactnative/camera/utils/ImageDimensions.java b/android/src/main/java/org/reactnative/camera/utils/ImageDimensions.java new file mode 100644 index 0000000..4e13205 --- /dev/null +++ b/android/src/main/java/org/reactnative/camera/utils/ImageDimensions.java @@ -0,0 +1,64 @@ +package org.reactnative.camera.utils; + +public class ImageDimensions { + private int mWidth; + private int mHeight; + private int mFacing; + private int mRotation; + + public ImageDimensions(int width, int height) { + this(width, height, 0); + } + + public ImageDimensions(int width, int height, int rotation) { + this(width, height, rotation, -1); + } + + public ImageDimensions(int width, int height, int rotation, int facing) { + mWidth = width; + mHeight = height; + mFacing = facing; + mRotation = rotation; + } + + public boolean isLandscape() { + return mRotation % 180 == 90; + } + + public int getWidth() { + if (isLandscape()) { + return mHeight; + } + + return mWidth; + } + + public int getHeight() { + if (isLandscape()) { + return mWidth; + } + + return mHeight; + } + + public int getRotation() { + return mRotation; + } + + public int getFacing() { + return mFacing; + } + + @Override + public boolean equals(Object obj) { + if (obj instanceof ImageDimensions) { + ImageDimensions otherDimensions = (ImageDimensions) obj; + return (otherDimensions.getWidth() == getWidth() && + otherDimensions.getHeight() == getHeight() && + otherDimensions.getFacing() == getFacing() && + otherDimensions.getRotation() == getRotation()); + } else { + return super.equals(obj); + } + } +} diff --git a/android/src/main/java/org/reactnative/facedetector/ExpoFaceDetector.java b/android/src/main/java/org/reactnative/facedetector/ExpoFaceDetector.java new file mode 100644 index 0000000..88fafdd --- /dev/null +++ b/android/src/main/java/org/reactnative/facedetector/ExpoFaceDetector.java @@ -0,0 +1,113 @@ +package org.reactnative.facedetector; + +import android.content.Context; +import android.util.Log; +import android.util.SparseArray; + +import org.reactnative.camera.utils.ImageDimensions; +import com.google.android.gms.vision.face.Face; +import com.google.android.gms.vision.face.FaceDetector; + +public class ExpoFaceDetector { + public static int ALL_CLASSIFICATIONS = FaceDetector.ALL_CLASSIFICATIONS; + public static int NO_CLASSIFICATIONS = FaceDetector.NO_CLASSIFICATIONS; + public static int ALL_LANDMARKS = FaceDetector.ALL_LANDMARKS; + public static int NO_LANDMARKS = FaceDetector.NO_LANDMARKS; + public static int ACCURATE_MODE = FaceDetector.ACCURATE_MODE; + public static int FAST_MODE = FaceDetector.FAST_MODE; + + private FaceDetector mFaceDetector = null; + private ImageDimensions mPreviousDimensions; + private FaceDetector.Builder mBuilder = null; + + private int mClassificationType = NO_CLASSIFICATIONS; + private int mLandmarkType = NO_LANDMARKS; + private float mMinFaceSize = 0.15f; + private int mMode = FAST_MODE; + + public ExpoFaceDetector(Context context) { + mBuilder = new FaceDetector.Builder(context); + mBuilder.setMinFaceSize(mMinFaceSize); + mBuilder.setMode(mMode); + mBuilder.setLandmarkType(mLandmarkType); + mBuilder.setClassificationType(mClassificationType); + } + + // Public API + + public boolean isOperational() { + if (mFaceDetector == null) { + createFaceDetector(); + } + + return mFaceDetector.isOperational(); + } + + public SparseArray detect(ExpoFrame frame) { + // If the frame has different dimensions, create another face detector. + // Otherwise we will get nasty "inconsistent image dimensions" error from detector + // and no face will be detected. + if (!frame.getDimensions().equals(mPreviousDimensions)) { + releaseFaceDetector(); + } + + if (mFaceDetector == null) { + createFaceDetector(); + mPreviousDimensions = frame.getDimensions(); + } + + return mFaceDetector.detect(frame.getFrame()); + } + + public void setTracking(boolean trackingEnabled) { + release(); + mBuilder.setTrackingEnabled(trackingEnabled); + } + + public void setClassificationType(int classificationType) { + if (classificationType != mClassificationType) { + release(); + mBuilder.setClassificationType(classificationType); + mClassificationType = classificationType; + } + } + + public void setLandmarkType(int landmarkType) { + if (landmarkType != mLandmarkType) { + release(); + mBuilder.setLandmarkType(landmarkType); + mLandmarkType = landmarkType; + } + } + + public void setMode(int mode) { + if (mode != mMode) { + release(); + mBuilder.setMode(mode); + mMode = mode; + } + } + + public void setTrackingEnabled(boolean tracking) { + release(); + mBuilder.setTrackingEnabled(tracking); + } + + public void release() { + releaseFaceDetector(); + mPreviousDimensions = null; + } + + // Lifecycle methods + + private void releaseFaceDetector() { + if (mFaceDetector != null) { + mFaceDetector.release(); + mFaceDetector = null; + } + } + + private void createFaceDetector() { + mFaceDetector = mBuilder.build(); + } +} diff --git a/android/src/main/java/org/reactnative/facedetector/ExpoFrame.java b/android/src/main/java/org/reactnative/facedetector/ExpoFrame.java new file mode 100644 index 0000000..0a8a1ec --- /dev/null +++ b/android/src/main/java/org/reactnative/facedetector/ExpoFrame.java @@ -0,0 +1,28 @@ +package org.reactnative.facedetector; + +import org.reactnative.camera.utils.ImageDimensions; +import com.google.android.gms.vision.Frame; + +/** + * Wrapper around Frame allowing us to track Frame dimensions. + * Tracking dimensions is used in ExpoFaceDetector to provide painless FaceDetector recreation + * when image dimensions change. + */ + +public class ExpoFrame { + private Frame mFrame; + private ImageDimensions mDimensions; + + public ExpoFrame(Frame frame, ImageDimensions dimensions) { + mFrame = frame; + mDimensions = dimensions; + } + + public Frame getFrame() { + return mFrame; + } + + public ImageDimensions getDimensions() { + return mDimensions; + } +} diff --git a/android/src/main/java/org/reactnative/facedetector/ExpoFrameFactory.java b/android/src/main/java/org/reactnative/facedetector/ExpoFrameFactory.java new file mode 100644 index 0000000..ce7d2ec --- /dev/null +++ b/android/src/main/java/org/reactnative/facedetector/ExpoFrameFactory.java @@ -0,0 +1,43 @@ +package org.reactnative.facedetector; + +import android.graphics.Bitmap; +import android.graphics.ImageFormat; + +import org.reactnative.camera.utils.ImageDimensions; +import com.google.android.gms.vision.Frame; + +import java.nio.ByteBuffer; + +public class ExpoFrameFactory { + public static ExpoFrame buildFrame(byte[] bitmapData, int width, int height, int rotation) { + Frame.Builder builder = new Frame.Builder(); + + ByteBuffer byteBuffer = ByteBuffer.wrap(bitmapData); + builder.setImageData(byteBuffer, width, height, ImageFormat.NV21); + + switch (rotation) { + case 90: + builder.setRotation(Frame.ROTATION_90); + break; + case 180: + builder.setRotation(Frame.ROTATION_180); + break; + case 270: + builder.setRotation(Frame.ROTATION_270); + break; + default: + builder.setRotation(Frame.ROTATION_0); + } + + ImageDimensions dimensions = new ImageDimensions(width, height, rotation); + + return new ExpoFrame(builder.build(), dimensions); + } + + public static ExpoFrame buildFrame(Bitmap bitmap) { + Frame.Builder builder = new Frame.Builder(); + builder.setBitmap(bitmap); + ImageDimensions dimensions = new ImageDimensions(bitmap.getWidth(), bitmap.getHeight()); + return new ExpoFrame(builder.build(), dimensions); + } +} diff --git a/android/src/main/java/org/reactnative/facedetector/FaceDetectorModule.java b/android/src/main/java/org/reactnative/facedetector/FaceDetectorModule.java new file mode 100644 index 0000000..86cba13 --- /dev/null +++ b/android/src/main/java/org/reactnative/facedetector/FaceDetectorModule.java @@ -0,0 +1,76 @@ +package org.reactnative.facedetector; + +import android.content.Context; + +import org.reactnative.facedetector.tasks.FileFaceDetectionAsyncTask; +import com.facebook.react.bridge.Promise; +import com.facebook.react.bridge.ReactApplicationContext; +import com.facebook.react.bridge.ReactContextBaseJavaModule; +import com.facebook.react.bridge.ReactMethod; +import com.facebook.react.bridge.ReadableMap; + +import java.util.Collections; +import java.util.HashMap; +import java.util.Map; + +import javax.annotation.Nullable; + +public class FaceDetectorModule extends ReactContextBaseJavaModule { + private static final String TAG = "ExpoFaceDetector"; +// private ScopedContext mScopedContext; +private static ReactApplicationContext mScopedContext; + + public FaceDetectorModule(ReactApplicationContext reactContext) { + super(reactContext); + mScopedContext = reactContext; + } + + @Override + public String getName() { + return TAG; + } + + @Nullable + @Override + public Map getConstants() { + return Collections.unmodifiableMap(new HashMap() { + { + put("Mode", getFaceDetectionModeConstants()); + put("Landmarks", getFaceDetectionLandmarksConstants()); + put("Classifications", getFaceDetectionClassificationsConstants()); + } + + private Map getFaceDetectionModeConstants() { + return Collections.unmodifiableMap(new HashMap() { + { + put("fast", ExpoFaceDetector.FAST_MODE); + put("accurate", ExpoFaceDetector.ACCURATE_MODE); + } + }); + } + + private Map getFaceDetectionClassificationsConstants() { + return Collections.unmodifiableMap(new HashMap() { + { + put("all", ExpoFaceDetector.ALL_CLASSIFICATIONS); + put("none", ExpoFaceDetector.NO_CLASSIFICATIONS); + } + }); + } + + private Map getFaceDetectionLandmarksConstants() { + return Collections.unmodifiableMap(new HashMap() { + { + put("all", ExpoFaceDetector.ALL_LANDMARKS); + put("none", ExpoFaceDetector.NO_LANDMARKS); + } + }); + } + }); + } + + @ReactMethod + public void detectFaces(ReadableMap options, final Promise promise) { + new FileFaceDetectionAsyncTask(mScopedContext, options, promise).execute(); + } +} diff --git a/android/src/main/java/org/reactnative/facedetector/FaceDetectorUtils.java b/android/src/main/java/org/reactnative/facedetector/FaceDetectorUtils.java new file mode 100644 index 0000000..a4839b1 --- /dev/null +++ b/android/src/main/java/org/reactnative/facedetector/FaceDetectorUtils.java @@ -0,0 +1,120 @@ +package org.reactnative.facedetector; + +import android.graphics.PointF; + +import com.facebook.react.bridge.Arguments; +import com.facebook.react.bridge.ReadableMap; +import com.facebook.react.bridge.WritableMap; +import com.google.android.gms.vision.face.Face; +import com.google.android.gms.vision.face.Landmark; + +public class FaceDetectorUtils { + // All the landmarks reported by Google Mobile Vision in constants' order. + // https://developers.google.com/android/reference/com/google/android/gms/vision/face/Landmark + private static final String[] landmarkNames = { + "bottomMouthPosition", "leftCheekPosition", "leftEarPosition", "leftEarTipPosition", + "leftEyePosition", "leftMouthPosition", "noseBasePosition", "rightCheekPosition", + "rightEarPosition", "rightEarTipPosition", "rightEyePosition", "rightMouthPosition" + }; + + public static WritableMap serializeFace(Face face) { + return serializeFace(face, 1, 1); + } + + public static WritableMap serializeFace(Face face, double scaleX, double scaleY) { + WritableMap encodedFace = Arguments.createMap(); + + encodedFace.putInt("faceID", face.getId()); + encodedFace.putDouble("rollAngle", face.getEulerZ()); + encodedFace.putDouble("yawAngle", face.getEulerY()); + + if (face.getIsSmilingProbability() >= 0) { + encodedFace.putDouble("smilingProbability", face.getIsSmilingProbability()); + } + if (face.getIsLeftEyeOpenProbability() >= 0) { + encodedFace.putDouble("leftEyeOpenProbability", face.getIsLeftEyeOpenProbability()); + } + if (face.getIsRightEyeOpenProbability() >= 0) { + encodedFace.putDouble("rightEyeOpenProbability", face.getIsRightEyeOpenProbability()); + } + + for(Landmark landmark : face.getLandmarks()) { + encodedFace.putMap(landmarkNames[landmark.getType()], mapFromPoint(landmark.getPosition(), scaleX, scaleY)); + } + + WritableMap origin = Arguments.createMap(); + origin.putDouble("x", face.getPosition().x * scaleX); + origin.putDouble("y", face.getPosition().y * scaleY); + + WritableMap size = Arguments.createMap(); + size.putDouble("width", face.getWidth() * scaleX); + size.putDouble("height", face.getHeight() * scaleY); + + WritableMap bounds = Arguments.createMap(); + bounds.putMap("origin", origin); + bounds.putMap("size", size); + + encodedFace.putMap("bounds", bounds); + + return encodedFace; + } + + public static WritableMap rotateFaceX(WritableMap face, int sourceWidth, double scaleX) { + ReadableMap faceBounds = face.getMap("bounds"); + + ReadableMap oldOrigin = faceBounds.getMap("origin"); + WritableMap mirroredOrigin = positionMirroredHorizontally(oldOrigin, sourceWidth, scaleX); + + double translateX = -faceBounds.getMap("size").getDouble("width"); + WritableMap translatedMirroredOrigin = positionTranslatedHorizontally(mirroredOrigin, translateX); + + WritableMap newBounds = Arguments.createMap(); + newBounds.merge(faceBounds); + newBounds.putMap("origin", translatedMirroredOrigin); + + for (String landmarkName : landmarkNames) { + ReadableMap landmark = face.hasKey(landmarkName) ? face.getMap(landmarkName) : null; + if (landmark != null) { + WritableMap mirroredPosition = positionMirroredHorizontally(landmark, sourceWidth, scaleX); + face.putMap(landmarkName, mirroredPosition); + } + } + + face.putMap("bounds", newBounds); + + return face; + } + + public static WritableMap changeAnglesDirection(WritableMap face) { + face.putDouble("rollAngle", (-face.getDouble("rollAngle") + 360) % 360); + face.putDouble("yawAngle", (-face.getDouble("yawAngle") + 360) % 360); + return face; + } + + public static WritableMap mapFromPoint(PointF point, double scaleX, double scaleY) { + WritableMap map = Arguments.createMap(); + map.putDouble("x", point.x * scaleX); + map.putDouble("y", point.y * scaleY); + return map; + } + + public static WritableMap positionTranslatedHorizontally(ReadableMap position, double translateX) { + WritableMap newPosition = Arguments.createMap(); + newPosition.merge(position); + newPosition.putDouble("x", position.getDouble("x") + translateX); + return newPosition; + } + + public static WritableMap positionMirroredHorizontally(ReadableMap position, int containerWidth, double scaleX) { + WritableMap newPosition = Arguments.createMap(); + newPosition.merge(position); + newPosition.putDouble("x", valueMirroredHorizontally(position.getDouble("x"), containerWidth, scaleX)); + return newPosition; + } + + public static double valueMirroredHorizontally(double elementX, int containerWidth, double scaleX) { + double originalX = elementX / scaleX; + double mirroredX = containerWidth - originalX; + return mirroredX * scaleX; + } +} diff --git a/android/src/main/java/org/reactnative/facedetector/tasks/FileFaceDetectionAsyncTask.java b/android/src/main/java/org/reactnative/facedetector/tasks/FileFaceDetectionAsyncTask.java new file mode 100644 index 0000000..26418c0 --- /dev/null +++ b/android/src/main/java/org/reactnative/facedetector/tasks/FileFaceDetectionAsyncTask.java @@ -0,0 +1,153 @@ +package org.reactnative.facedetector.tasks; + +import android.content.Context; +import android.graphics.Bitmap; +import android.graphics.BitmapFactory; +import android.media.ExifInterface; +import android.net.Uri; +import android.os.AsyncTask; +import android.util.Log; +import android.util.SparseArray; + +import org.reactnative.facedetector.ExpoFaceDetector; +import org.reactnative.facedetector.ExpoFrame; +import org.reactnative.facedetector.ExpoFrameFactory; +import org.reactnative.facedetector.FaceDetectorUtils; +import com.facebook.react.bridge.Arguments; +import com.facebook.react.bridge.Promise; +import com.facebook.react.bridge.ReadableMap; +import com.facebook.react.bridge.WritableArray; +import com.facebook.react.bridge.WritableMap; +import com.google.android.gms.vision.Frame; +import com.google.android.gms.vision.face.Face; + +import java.io.File; +import java.io.IOException; +import java.io.UnsupportedEncodingException; +import java.net.URLDecoder; + +public class FileFaceDetectionAsyncTask extends AsyncTask> { + private static final String ERROR_TAG = "E_FACE_DETECTION_FAILED"; + + private static final String MODE_OPTION_KEY = "mode"; + private static final String DETECT_LANDMARKS_OPTION_KEY = "detectLandmarks"; + private static final String RUN_CLASSIFICATIONS_OPTION_KEY = "runClassifications"; + + private String mUri; + private String mPath; + private Promise mPromise; + private int mWidth = 0; + private int mHeight = 0; + private Context mContext; + private ReadableMap mOptions; + private int mOrientation = ExifInterface.ORIENTATION_UNDEFINED; + private ExpoFaceDetector mExpoFaceDetector; + + public FileFaceDetectionAsyncTask(Context context, ReadableMap options, Promise promise) { + mUri = options.getString("uri"); + mPromise = promise; + mOptions = options; + mContext = context; + } + + @Override + protected void onPreExecute() { + if (mUri == null) { + mPromise.reject(ERROR_TAG, "You have to provide an URI of an image."); + cancel(true); + return; + } + + Uri uri = Uri.parse(mUri); + mPath = uri.getPath(); + + if (mPath == null) { + mPromise.reject(ERROR_TAG, "Invalid URI provided: `" + mUri + "`."); + cancel(true); + return; + } + + // We have to check if the requested image is in a directory safely accessible by our app. + boolean fileIsInSafeDirectories = + mPath.startsWith(mContext.getCacheDir().getPath()) || mPath.startsWith(mContext.getFilesDir().getPath()); + + if (!fileIsInSafeDirectories) { + mPromise.reject(ERROR_TAG, "The image has to be in the local app's directories."); + cancel(true); + return; + } + + if(!new File(mPath).exists()) { + mPromise.reject(ERROR_TAG, "The file does not exist. Given path: `" + mPath + "`."); + cancel(true); + } + } + + @Override + protected SparseArray doInBackground(Void... voids) { + if (isCancelled()) { + return null; + } + + mExpoFaceDetector = detectorForOptions(mOptions, mContext); + Bitmap bitmap = BitmapFactory.decodeFile(mPath); + mWidth = bitmap.getWidth(); + mHeight = bitmap.getHeight(); + + try { + ExifInterface exif = new ExifInterface(mPath); + mOrientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_UNDEFINED); + } catch (IOException e) { + Log.e(ERROR_TAG, "Reading orientation from file `" + mPath + "` failed.", e); + } + + ExpoFrame frame = ExpoFrameFactory.buildFrame(bitmap); + return mExpoFaceDetector.detect(frame); + } + + @Override + protected void onPostExecute(SparseArray faces) { + super.onPostExecute(faces); + WritableMap result = Arguments.createMap(); + WritableArray facesArray = Arguments.createArray(); + + for(int i = 0; i < faces.size(); i++) { + Face face = faces.valueAt(i); + WritableMap encodedFace = FaceDetectorUtils.serializeFace(face); + encodedFace.putDouble("yawAngle", (-encodedFace.getDouble("yawAngle") + 360) % 360); + encodedFace.putDouble("rollAngle", (-encodedFace.getDouble("rollAngle") + 360) % 360); + facesArray.pushMap(encodedFace); + } + + result.putArray("faces", facesArray); + + WritableMap image = Arguments.createMap(); + image.putInt("width", mWidth); + image.putInt("height", mHeight); + image.putInt("orientation", mOrientation); + image.putString("uri", mUri); + result.putMap("image", image); + + mExpoFaceDetector.release(); + mPromise.resolve(result); + } + + private static ExpoFaceDetector detectorForOptions(ReadableMap options, Context context) { + ExpoFaceDetector detector = new ExpoFaceDetector(context); + detector.setTrackingEnabled(false); + + if(options.hasKey(MODE_OPTION_KEY)) { + detector.setMode(options.getInt(MODE_OPTION_KEY)); + } + + if(options.hasKey(RUN_CLASSIFICATIONS_OPTION_KEY)) { + detector.setClassificationType(options.getInt(RUN_CLASSIFICATIONS_OPTION_KEY)); + } + + if(options.hasKey(DETECT_LANDMARKS_OPTION_KEY)) { + detector.setLandmarkType(options.getInt(DETECT_LANDMARKS_OPTION_KEY)); + } + + return detector; + } +} diff --git a/src/Camera.js b/src/Camera.js new file mode 100644 index 0000000..4c3fcc7 --- /dev/null +++ b/src/Camera.js @@ -0,0 +1,280 @@ +import React, { Component } from 'react'; +import PropTypes from 'prop-types'; +import { + DeviceEventEmitter, // android + NativeAppEventEmitter, // ios + NativeModules, + Platform, + StyleSheet, + requireNativeComponent, + ViewPropTypes, +} from 'react-native'; + +const CameraManager = NativeModules.CameraManager || NativeModules.CameraModule; +const CAMERA_REF = 'camera'; + +function convertNativeProps(props) { + const newProps = { ...props }; + if (typeof props.aspect === 'string') { + newProps.aspect = Camera.constants.Aspect[props.aspect]; + } + + if (typeof props.flashMode === 'string') { + newProps.flashMode = Camera.constants.FlashMode[props.flashMode]; + } + + if (typeof props.orientation === 'string') { + newProps.orientation = Camera.constants.Orientation[props.orientation]; + } + + if (typeof props.torchMode === 'string') { + newProps.torchMode = Camera.constants.TorchMode[props.torchMode]; + } + + if (typeof props.type === 'string') { + newProps.type = Camera.constants.Type[props.type]; + } + + if (typeof props.captureQuality === 'string') { + newProps.captureQuality = Camera.constants.CaptureQuality[props.captureQuality]; + } + + if (typeof props.captureMode === 'string') { + newProps.captureMode = Camera.constants.CaptureMode[props.captureMode]; + } + + if (typeof props.captureTarget === 'string') { + newProps.captureTarget = Camera.constants.CaptureTarget[props.captureTarget]; + } + + // do not register barCodeTypes if no barcode listener + if (typeof props.onBarCodeRead !== 'function') { + newProps.barCodeTypes = []; + } + + newProps.barcodeScannerEnabled = typeof props.onBarCodeRead === 'function'; + + return newProps; +} + +export default class Camera extends Component { + static constants = { + Aspect: CameraManager.Aspect, + BarCodeType: CameraManager.BarCodeType, + Type: CameraManager.Type, + CaptureMode: CameraManager.CaptureMode, + CaptureTarget: CameraManager.CaptureTarget, + CaptureQuality: CameraManager.CaptureQuality, + Orientation: CameraManager.Orientation, + FlashMode: CameraManager.FlashMode, + TorchMode: CameraManager.TorchMode, + }; + + static propTypes = { + ...ViewPropTypes, + aspect: PropTypes.oneOfType([PropTypes.string, PropTypes.number]), + captureAudio: PropTypes.bool, + captureMode: PropTypes.oneOfType([PropTypes.string, PropTypes.number]), + captureQuality: PropTypes.oneOfType([PropTypes.string, PropTypes.number]), + captureTarget: PropTypes.oneOfType([PropTypes.string, PropTypes.number]), + defaultOnFocusComponent: PropTypes.bool, + flashMode: PropTypes.oneOfType([PropTypes.string, PropTypes.number]), + keepAwake: PropTypes.bool, + onBarCodeRead: PropTypes.func, + barcodeScannerEnabled: PropTypes.bool, + onFocusChanged: PropTypes.func, + onZoomChanged: PropTypes.func, + mirrorImage: PropTypes.bool, + fixOrientation: PropTypes.bool, + barCodeTypes: PropTypes.array, + orientation: PropTypes.oneOfType([PropTypes.string, PropTypes.number]), + playSoundOnCapture: PropTypes.bool, + torchMode: PropTypes.oneOfType([PropTypes.string, PropTypes.number]), + type: PropTypes.oneOfType([PropTypes.string, PropTypes.number]), + }; + + static defaultProps = { + aspect: CameraManager.Aspect.fill, + type: CameraManager.Type.back, + orientation: CameraManager.Orientation.auto, + fixOrientation: false, + captureAudio: false, + captureMode: CameraManager.CaptureMode.still, + captureTarget: CameraManager.CaptureTarget.cameraRoll, + captureQuality: CameraManager.CaptureQuality.high, + defaultOnFocusComponent: true, + flashMode: CameraManager.FlashMode.off, + playSoundOnCapture: true, + torchMode: CameraManager.TorchMode.off, + mirrorImage: false, + barCodeTypes: Object.values(CameraManager.BarCodeType), + }; + + static checkDeviceAuthorizationStatus = CameraManager.checkDeviceAuthorizationStatus; + static checkVideoAuthorizationStatus = CameraManager.checkVideoAuthorizationStatus; + static checkAudioAuthorizationStatus = CameraManager.checkAudioAuthorizationStatus; + + setNativeProps(props) { + // eslint-disable-next-line + this.refs[CAMERA_REF].setNativeProps(props); + } + + constructor() { + super(); + this.state = { + isAuthorized: false, + isRecording: false, + }; + } + + async componentWillMount() { + this._addOnBarCodeReadListener(); + + let { captureMode } = convertNativeProps({ captureMode: this.props.captureMode }); + let hasVideoAndAudio = + this.props.captureAudio && captureMode === Camera.constants.CaptureMode.video; + let check = hasVideoAndAudio + ? Camera.checkDeviceAuthorizationStatus + : Camera.checkVideoAuthorizationStatus; + + if (check) { + const isAuthorized = await check(); + this.setState({ isAuthorized }); + } + } + + componentWillUnmount() { + this._removeOnBarCodeReadListener(); + + if (this.state.isRecording) { + this.stopCapture(); + } + } + + componentWillReceiveProps(newProps) { + const { onBarCodeRead } = this.props; + if (onBarCodeRead !== newProps.onBarCodeRead) { + this._addOnBarCodeReadListener(newProps); + } + } + + _addOnBarCodeReadListener(props) { + const { onBarCodeRead } = props || this.props; + this._removeOnBarCodeReadListener(); + if (onBarCodeRead) { + this.cameraBarCodeReadListener = Platform.select({ + ios: NativeAppEventEmitter.addListener('CameraBarCodeRead', this._onBarCodeRead), + android: DeviceEventEmitter.addListener('CameraBarCodeReadAndroid', this._onBarCodeRead), + }); + } + } + _removeOnBarCodeReadListener() { + const listener = this.cameraBarCodeReadListener; + if (listener) { + listener.remove(); + } + } + + render() { + // TODO - style is not used, figure it out why + // eslint-disable-next-line + const style = [styles.base, this.props.style]; + const nativeProps = convertNativeProps(this.props); + + return ; + } + + _onBarCodeRead = data => { + if (this.props.onBarCodeRead) { + this.props.onBarCodeRead(data); + } + }; + + capture(options) { + const props = convertNativeProps(this.props); + options = { + audio: props.captureAudio, + barCodeTypes: props.barCodeTypes, + mode: props.captureMode, + playSoundOnCapture: props.playSoundOnCapture, + target: props.captureTarget, + quality: props.captureQuality, + type: props.type, + title: '', + description: '', + mirrorImage: props.mirrorImage, + fixOrientation: props.fixOrientation, + ...options, + }; + + if (options.mode === Camera.constants.CaptureMode.video) { + options.totalSeconds = options.totalSeconds > -1 ? options.totalSeconds : -1; + options.preferredTimeScale = options.preferredTimeScale || 30; + this.setState({ isRecording: true }); + } + + return CameraManager.capture(options); + } + + startPreview() { + if (Platform.OS === 'android') { + const props = convertNativeProps(this.props); + CameraManager.startPreview({ + type: props.type, + }); + } else { + CameraManager.startPreview(); + } + } + + stopPreview() { + if (Platform.OS === 'android') { + const props = convertNativeProps(this.props); + CameraManager.stopPreview({ + type: props.type, + }); + } else { + CameraManager.stopPreview(); + } + } + + stopCapture() { + if (this.state.isRecording) { + this.setState({ isRecording: false }); + return CameraManager.stopCapture(); + } + return Promise.resolve('Not Recording.'); + } + + getFOV() { + return CameraManager.getFOV(); + } + + hasFlash() { + if (Platform.OS === 'android') { + const props = convertNativeProps(this.props); + return CameraManager.hasFlash({ + type: props.type, + }); + } + return CameraManager.hasFlash(); + } +} + +export const constants = Camera.constants; + +const RCTCamera = requireNativeComponent('RCTCamera', Camera, { + nativeOnly: { + testID: true, + renderToHardwareTextureAndroid: true, + accessibilityLabel: true, + importantForAccessibility: true, + accessibilityLiveRegion: true, + accessibilityComponentType: true, + onLayout: true, + }, +}); + +const styles = StyleSheet.create({ + base: {}, +}); diff --git a/src/index.js b/src/index.js index 4c3fcc7..c5dda41 100644 --- a/src/index.js +++ b/src/index.js @@ -1,280 +1,3 @@ -import React, { Component } from 'react'; -import PropTypes from 'prop-types'; -import { - DeviceEventEmitter, // android - NativeAppEventEmitter, // ios - NativeModules, - Platform, - StyleSheet, - requireNativeComponent, - ViewPropTypes, -} from 'react-native'; +import Camera from './Camera'; -const CameraManager = NativeModules.CameraManager || NativeModules.CameraModule; -const CAMERA_REF = 'camera'; - -function convertNativeProps(props) { - const newProps = { ...props }; - if (typeof props.aspect === 'string') { - newProps.aspect = Camera.constants.Aspect[props.aspect]; - } - - if (typeof props.flashMode === 'string') { - newProps.flashMode = Camera.constants.FlashMode[props.flashMode]; - } - - if (typeof props.orientation === 'string') { - newProps.orientation = Camera.constants.Orientation[props.orientation]; - } - - if (typeof props.torchMode === 'string') { - newProps.torchMode = Camera.constants.TorchMode[props.torchMode]; - } - - if (typeof props.type === 'string') { - newProps.type = Camera.constants.Type[props.type]; - } - - if (typeof props.captureQuality === 'string') { - newProps.captureQuality = Camera.constants.CaptureQuality[props.captureQuality]; - } - - if (typeof props.captureMode === 'string') { - newProps.captureMode = Camera.constants.CaptureMode[props.captureMode]; - } - - if (typeof props.captureTarget === 'string') { - newProps.captureTarget = Camera.constants.CaptureTarget[props.captureTarget]; - } - - // do not register barCodeTypes if no barcode listener - if (typeof props.onBarCodeRead !== 'function') { - newProps.barCodeTypes = []; - } - - newProps.barcodeScannerEnabled = typeof props.onBarCodeRead === 'function'; - - return newProps; -} - -export default class Camera extends Component { - static constants = { - Aspect: CameraManager.Aspect, - BarCodeType: CameraManager.BarCodeType, - Type: CameraManager.Type, - CaptureMode: CameraManager.CaptureMode, - CaptureTarget: CameraManager.CaptureTarget, - CaptureQuality: CameraManager.CaptureQuality, - Orientation: CameraManager.Orientation, - FlashMode: CameraManager.FlashMode, - TorchMode: CameraManager.TorchMode, - }; - - static propTypes = { - ...ViewPropTypes, - aspect: PropTypes.oneOfType([PropTypes.string, PropTypes.number]), - captureAudio: PropTypes.bool, - captureMode: PropTypes.oneOfType([PropTypes.string, PropTypes.number]), - captureQuality: PropTypes.oneOfType([PropTypes.string, PropTypes.number]), - captureTarget: PropTypes.oneOfType([PropTypes.string, PropTypes.number]), - defaultOnFocusComponent: PropTypes.bool, - flashMode: PropTypes.oneOfType([PropTypes.string, PropTypes.number]), - keepAwake: PropTypes.bool, - onBarCodeRead: PropTypes.func, - barcodeScannerEnabled: PropTypes.bool, - onFocusChanged: PropTypes.func, - onZoomChanged: PropTypes.func, - mirrorImage: PropTypes.bool, - fixOrientation: PropTypes.bool, - barCodeTypes: PropTypes.array, - orientation: PropTypes.oneOfType([PropTypes.string, PropTypes.number]), - playSoundOnCapture: PropTypes.bool, - torchMode: PropTypes.oneOfType([PropTypes.string, PropTypes.number]), - type: PropTypes.oneOfType([PropTypes.string, PropTypes.number]), - }; - - static defaultProps = { - aspect: CameraManager.Aspect.fill, - type: CameraManager.Type.back, - orientation: CameraManager.Orientation.auto, - fixOrientation: false, - captureAudio: false, - captureMode: CameraManager.CaptureMode.still, - captureTarget: CameraManager.CaptureTarget.cameraRoll, - captureQuality: CameraManager.CaptureQuality.high, - defaultOnFocusComponent: true, - flashMode: CameraManager.FlashMode.off, - playSoundOnCapture: true, - torchMode: CameraManager.TorchMode.off, - mirrorImage: false, - barCodeTypes: Object.values(CameraManager.BarCodeType), - }; - - static checkDeviceAuthorizationStatus = CameraManager.checkDeviceAuthorizationStatus; - static checkVideoAuthorizationStatus = CameraManager.checkVideoAuthorizationStatus; - static checkAudioAuthorizationStatus = CameraManager.checkAudioAuthorizationStatus; - - setNativeProps(props) { - // eslint-disable-next-line - this.refs[CAMERA_REF].setNativeProps(props); - } - - constructor() { - super(); - this.state = { - isAuthorized: false, - isRecording: false, - }; - } - - async componentWillMount() { - this._addOnBarCodeReadListener(); - - let { captureMode } = convertNativeProps({ captureMode: this.props.captureMode }); - let hasVideoAndAudio = - this.props.captureAudio && captureMode === Camera.constants.CaptureMode.video; - let check = hasVideoAndAudio - ? Camera.checkDeviceAuthorizationStatus - : Camera.checkVideoAuthorizationStatus; - - if (check) { - const isAuthorized = await check(); - this.setState({ isAuthorized }); - } - } - - componentWillUnmount() { - this._removeOnBarCodeReadListener(); - - if (this.state.isRecording) { - this.stopCapture(); - } - } - - componentWillReceiveProps(newProps) { - const { onBarCodeRead } = this.props; - if (onBarCodeRead !== newProps.onBarCodeRead) { - this._addOnBarCodeReadListener(newProps); - } - } - - _addOnBarCodeReadListener(props) { - const { onBarCodeRead } = props || this.props; - this._removeOnBarCodeReadListener(); - if (onBarCodeRead) { - this.cameraBarCodeReadListener = Platform.select({ - ios: NativeAppEventEmitter.addListener('CameraBarCodeRead', this._onBarCodeRead), - android: DeviceEventEmitter.addListener('CameraBarCodeReadAndroid', this._onBarCodeRead), - }); - } - } - _removeOnBarCodeReadListener() { - const listener = this.cameraBarCodeReadListener; - if (listener) { - listener.remove(); - } - } - - render() { - // TODO - style is not used, figure it out why - // eslint-disable-next-line - const style = [styles.base, this.props.style]; - const nativeProps = convertNativeProps(this.props); - - return ; - } - - _onBarCodeRead = data => { - if (this.props.onBarCodeRead) { - this.props.onBarCodeRead(data); - } - }; - - capture(options) { - const props = convertNativeProps(this.props); - options = { - audio: props.captureAudio, - barCodeTypes: props.barCodeTypes, - mode: props.captureMode, - playSoundOnCapture: props.playSoundOnCapture, - target: props.captureTarget, - quality: props.captureQuality, - type: props.type, - title: '', - description: '', - mirrorImage: props.mirrorImage, - fixOrientation: props.fixOrientation, - ...options, - }; - - if (options.mode === Camera.constants.CaptureMode.video) { - options.totalSeconds = options.totalSeconds > -1 ? options.totalSeconds : -1; - options.preferredTimeScale = options.preferredTimeScale || 30; - this.setState({ isRecording: true }); - } - - return CameraManager.capture(options); - } - - startPreview() { - if (Platform.OS === 'android') { - const props = convertNativeProps(this.props); - CameraManager.startPreview({ - type: props.type, - }); - } else { - CameraManager.startPreview(); - } - } - - stopPreview() { - if (Platform.OS === 'android') { - const props = convertNativeProps(this.props); - CameraManager.stopPreview({ - type: props.type, - }); - } else { - CameraManager.stopPreview(); - } - } - - stopCapture() { - if (this.state.isRecording) { - this.setState({ isRecording: false }); - return CameraManager.stopCapture(); - } - return Promise.resolve('Not Recording.'); - } - - getFOV() { - return CameraManager.getFOV(); - } - - hasFlash() { - if (Platform.OS === 'android') { - const props = convertNativeProps(this.props); - return CameraManager.hasFlash({ - type: props.type, - }); - } - return CameraManager.hasFlash(); - } -} - -export const constants = Camera.constants; - -const RCTCamera = requireNativeComponent('RCTCamera', Camera, { - nativeOnly: { - testID: true, - renderToHardwareTextureAndroid: true, - accessibilityLabel: true, - importantForAccessibility: true, - accessibilityLiveRegion: true, - accessibilityComponentType: true, - onLayout: true, - }, -}); - -const styles = StyleSheet.create({ - base: {}, -}); +export default Camera;